diff --git a/plugins/channelrx/chanalyzerng/readme.md b/plugins/channelrx/chanalyzerng/readme.md
index 765de9aec..91b66920b 100644
--- a/plugins/channelrx/chanalyzerng/readme.md
+++ b/plugins/channelrx/chanalyzerng/readme.md
@@ -39,9 +39,7 @@ The "+/-" button on the left side of the dial toggles between positive and negat
2: Frequency shift from center frequency of reception value
-Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
3: Toggle the rational downsampler
@@ -49,9 +47,7 @@ The input channel sample rate is given by the source device sample rate possibly
4: Rational downsampler output rate
-Use the wheels to adjust the sample rate that will be used in the rest of the signal processing in the channel. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. The minimum value is 2000 S/s and the maximum value is the source plugin output sample rate.
+Use the wheels to adjust the sample rate that will be used in the rest of the signal processing in the channel. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. The minimum value is 2000 S/s and the maximum value is the source plugin output sample rate. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
5: Downsampler by a power of two
diff --git a/plugins/channelrx/demodam/readme.md b/plugins/channelrx/demodam/readme.md
index 4e8d2bcf5..fef85e4a6 100644
--- a/plugins/channelrx/demodam/readme.md
+++ b/plugins/channelrx/demodam/readme.md
@@ -14,9 +14,7 @@ The "+/-" button on the left side of the dial toggles between positive and negat
2: Frequency shift from center frequency of reception value
-Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
3: Channel power
diff --git a/plugins/channelrx/demodatv/readme.md b/plugins/channelrx/demodatv/readme.md
index 1acf378a8..16828d3c1 100644
--- a/plugins/channelrx/demodatv/readme.md
+++ b/plugins/channelrx/demodatv/readme.md
@@ -30,9 +30,7 @@ The "+/-" button on the left side of the dial toggles between positive and negat
2: Frequency shift from center frequency of reception value
-Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews.Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
3: Rational downsampler toggle
diff --git a/plugins/channelrx/demoddsd/readme.md b/plugins/channelrx/demoddsd/readme.md
index 11be0d2bb..5c9270921 100644
--- a/plugins/channelrx/demoddsd/readme.md
+++ b/plugins/channelrx/demoddsd/readme.md
@@ -54,9 +54,7 @@ For software built fron source if you choose to have `mbelib` support you will n
1: Frequency shift from center frequency of reception
-Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews.Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
2: Symbol (Baud) rate
diff --git a/plugins/channelrx/demodnfm/readme.md b/plugins/channelrx/demodnfm/readme.md
index 8538b38d2..793bd2ece 100644
--- a/plugins/channelrx/demodnfm/readme.md
+++ b/plugins/channelrx/demodnfm/readme.md
@@ -14,9 +14,7 @@ The "+/-" button on the left side of the dial toggles between positive and negat
2: Frequency shift from center frequency of reception value
-Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2..
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2. Left click on a digit sets the cursor position at this digit.
3: Channel power
diff --git a/plugins/channelrx/demodssb/readme.md b/plugins/channelrx/demodssb/readme.md
index 68a5bd547..d86237a32 100644
--- a/plugins/channelrx/demodssb/readme.md
+++ b/plugins/channelrx/demodssb/readme.md
@@ -14,9 +14,7 @@ The "+/-" button on the left side of the dial toggles between positive and negat
2: Frequency shift from center frequency of reception value
-Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
3: Channel power
diff --git a/plugins/channelrx/demodwfm/readme.md b/plugins/channelrx/demodwfm/readme.md
index 66a16d92f..28668d0b9 100644
--- a/plugins/channelrx/demodwfm/readme.md
+++ b/plugins/channelrx/demodwfm/readme.md
@@ -14,9 +14,7 @@ The "+/-" button on the left side of the dial toggles between positive and negat
2: Frequency shift from center frequency of reception value
-Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
3: Channel power
diff --git a/plugins/channelrx/udpsrc/readme.md b/plugins/channelrx/udpsrc/readme.md
index d4985722d..c3b5feff3 100644
--- a/plugins/channelrx/udpsrc/readme.md
+++ b/plugins/channelrx/udpsrc/readme.md
@@ -17,9 +17,7 @@ The receiving application must make sure it acknowledges this block size. UDP ma
1: Frequency shift from center frequency of reception
-Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
2: Channel power
diff --git a/plugins/channeltx/modam/readme.md b/plugins/channeltx/modam/readme.md
index 0868c582c..140ed4d90 100644
--- a/plugins/channeltx/modam/readme.md
+++ b/plugins/channeltx/modam/readme.md
@@ -14,9 +14,7 @@ The "+/-" button on the left side of the dial toggles between positive and negat
2: Frequency shift from center frequency of reception value
-Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
3: Channel power
diff --git a/plugins/channeltx/modatv/readme.md b/plugins/channeltx/modatv/readme.md
index 313eb6ac1..d31754d8b 100644
--- a/plugins/channeltx/modatv/readme.md
+++ b/plugins/channeltx/modatv/readme.md
@@ -18,9 +18,7 @@ The "+/-" button on the left side of the dial toggles between positive and negat
2: Frequency shift from center frequency of reception value
-Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
3: Sample rate data
diff --git a/plugins/channeltx/modnfm/readme.md b/plugins/channeltx/modnfm/readme.md
index a4c09ee0f..e1db60067 100644
--- a/plugins/channeltx/modnfm/readme.md
+++ b/plugins/channeltx/modnfm/readme.md
@@ -14,9 +14,7 @@ The "+/-" button on the left side of the dial toggles between positive and negat
2: Frequency shift from center frequency of reception value
-Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
3: Channel power
diff --git a/plugins/channeltx/modssb/readme.md b/plugins/channeltx/modssb/readme.md
index ba3c73875..536fbc650 100644
--- a/plugins/channeltx/modssb/readme.md
+++ b/plugins/channeltx/modssb/readme.md
@@ -14,9 +14,7 @@ The "+/-" button on the left side of the dial toggles between positive and negat
2: Frequency shift from center frequency of reception value
-Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
3: Channel power
diff --git a/plugins/channeltx/modwfm/readme.md b/plugins/channeltx/modwfm/readme.md
index 6b3d8592a..8aeb8025c 100644
--- a/plugins/channeltx/modwfm/readme.md
+++ b/plugins/channeltx/modwfm/readme.md
@@ -14,9 +14,7 @@ The "+/-" button on the left side of the dial toggles between positive and negat
2: Frequency shift from center frequency of reception value
-Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
3: Channel power
diff --git a/plugins/samplesink/bladerfoutput/readme.md b/plugins/samplesink/bladerfoutput/readme.md
index 8977166fd..79f73e880 100644
--- a/plugins/samplesink/bladerfoutput/readme.md
+++ b/plugins/samplesink/bladerfoutput/readme.md
@@ -62,9 +62,7 @@ This controls the optional XB-200 add-on when it is fitted to the BladeRF main b
This is the BladeRF device DAC sample rate in S/s.
-Use the wheels to adjust the sample rate. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the sample rate. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
7: Tx filter bandwidth
diff --git a/plugins/samplesink/filesink/readme.md b/plugins/samplesink/filesink/readme.md
index 27747ec30..cede1d66b 100644
--- a/plugins/samplesink/filesink/readme.md
+++ b/plugins/samplesink/filesink/readme.md
@@ -52,9 +52,7 @@ The baseband stream is interpolated by this value before being written to file.
This is the baseband sample rate before interpolation in S/s.
-Use the wheels to adjust the sample rate. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the sample rate. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
8: Time counter
diff --git a/plugins/samplesink/hackrfoutput/readme.md b/plugins/samplesink/hackrfoutput/readme.md
index 180ec33f7..0fe97ea6b 100644
--- a/plugins/samplesink/hackrfoutput/readme.md
+++ b/plugins/samplesink/hackrfoutput/readme.md
@@ -70,9 +70,7 @@ According to HackRF documentation the output power when the PA is engaged and th
This is the HackRF device DAC sample rate in S/s.
-Use the wheels to adjust the sample rate. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the sample rate. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
9: Tx filter bandwidth
diff --git a/plugins/samplesink/limesdroutput/readme.md b/plugins/samplesink/limesdroutput/readme.md
index 6b0152fb1..d445bd4e4 100644
--- a/plugins/samplesink/limesdroutput/readme.md
+++ b/plugins/samplesink/limesdroutput/readme.md
@@ -65,7 +65,9 @@ Use this push button to reset the NCO frequency to 0 and thus center on the main
7: Center frequency with NCO engaged
-This is the center frequency of the mix of LO and NCO combined and is the sink passband center frequency when the NCO is engaged. Use the thumbwheels to adjust frequency as done with the LO (1.1). Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2. The boundaries are dynamically calculated from the LO center frequency and sample rate.
+This is the center frequency of the mix of LO and NCO combined and is the sink passband center frequency when the NCO is engaged. Use the thumbwheels to adjust frequency as done with the LO (1.1). Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2. The boundaries are dynamically calculated from the LO center frequency, sample rate and hardware interpolation factor.
+
+☞ In the LMS7002M TSP block the NCO sits after the interpolator (see Fig.14 of the [datasheet](http://www.limemicro.com/wp-content/uploads/2015/09/LMS7002M-Data-Sheet-v2.8.0.pdf) p.7) so it runs at the actual DAC rate. Hence the NCO limits are calculated as +/- half the device to host sample rate multiplied by the hardware interpolation factor. For example with a 4 MS/s device to host sample rate (10) and a hadrware interpolation of 16 (8) you have +/- 32 MHz span around the LO for the NCO. In this example you can tune all HF frequencies with the center frequency set at its lowest (30 MHz).
8: LMS7002M hardware interpolation factor
@@ -81,9 +83,7 @@ The I/Q stream from the baseband is upsampled by a power of two by software insi
This is the LMS7002M device to/from host stream sample rate in S/s.
-Use the wheels to adjust the sample rate. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the sample rate. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews.
The LMS7002M uses the same clock for both the ADCs and DACs therefore this sample rate affects all of the 2x2 MIMO channels.
diff --git a/plugins/samplesink/sdrdaemonsink/readme.md b/plugins/samplesink/sdrdaemonsink/readme.md
index 27747ec30..cede1d66b 100644
--- a/plugins/samplesink/sdrdaemonsink/readme.md
+++ b/plugins/samplesink/sdrdaemonsink/readme.md
@@ -52,9 +52,7 @@ The baseband stream is interpolated by this value before being written to file.
This is the baseband sample rate before interpolation in S/s.
-Use the wheels to adjust the sample rate. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the sample rate. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
8: Time counter
diff --git a/plugins/samplesource/bladerfinput/readme.md b/plugins/samplesource/bladerfinput/readme.md
index f3f0f8d43..554ab92fa 100644
--- a/plugins/samplesource/bladerfinput/readme.md
+++ b/plugins/samplesource/bladerfinput/readme.md
@@ -62,9 +62,7 @@ This controls the optional XB-200 add-on when it is fitted to the BladeRF main b
This is the BladeRF device ADC sample rate in S/s.
-Use the wheels to adjust the sample rate. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the sample rate. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
5: Decimation factor
diff --git a/plugins/samplesource/hackrfinput/readme.md b/plugins/samplesource/hackrfinput/readme.md
index 8d6aba4e9..f37510021 100644
--- a/plugins/samplesource/hackrfinput/readme.md
+++ b/plugins/samplesource/hackrfinput/readme.md
@@ -65,9 +65,7 @@ Use this checkbox to toggle the extra low noise amplifier (LNA). This gives an a
This is the HackRF device ADC sample rate in S/s.
-Use the wheels to adjust the sample rate. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the sample rate. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
7: Rx filter bandwidth
diff --git a/plugins/samplesource/limesdrinput/readme.md b/plugins/samplesource/limesdrinput/readme.md
index 60c21d907..7bf31917d 100644
--- a/plugins/samplesource/limesdrinput/readme.md
+++ b/plugins/samplesource/limesdrinput/readme.md
@@ -73,7 +73,9 @@ USe this push button to reset the NCO frequency to 0 and thus center on the main
5: Center frequency with NCO engaged
-This is the center frequency of the mix of LO and NCO combined and is the source passband center frequency when the NCO is engaged. Use the thumbwheels to adjust frequency as done with the LO (1.1). Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2. The boundaries are dynamically calculated from the LO center frequency and sample rate.
+This is the center frequency of the mix of LO and NCO combined and is the source passband center frequency when the NCO is engaged. Use the thumbwheels to adjust frequency as done with the LO (1.1). Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2. The boundaries are dynamically calculated from the LO center frequency, sample rate and hardware decimation factor.
+
+☞ In the LMS7002M TSP block the NCO sits before the decimator (see Fig.14 of the [datasheet](http://www.limemicro.com/wp-content/uploads/2015/09/LMS7002M-Data-Sheet-v2.8.0.pdf) p.7) so it runs at the actual ADC rate. Hence the NCO limits are calculated as +/- half the device to host sample rate multiplied by the hardware decimation factor. For example with a 4 MS/s device to host sample rate (10) and a hadrware decimation of 16 (8) you have +/- 32 MHz span around the LO for the NCO. In this example you can tune all HF frequencies with the center frequency set at its lowest (30 MHz).
6-7: Auto correction options
@@ -96,9 +98,7 @@ The I/Q stream from the LimeSDR is doensampled by a power of two by software ins
This is the LMS7002M device to/from host stream sample rate in S/s.
-Use the wheels to adjust the sample rate. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the sample rate. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews.
The LMS7002M uses the same clock for both the ADCs and DACs therefore this sample rate affects all of the 2x2 MIMO channels.
diff --git a/plugins/samplesource/rtlsdr/readme.md b/plugins/samplesource/rtlsdr/readme.md
index f3d9f2cea..5b307d201 100644
--- a/plugins/samplesource/rtlsdr/readme.md
+++ b/plugins/samplesource/rtlsdr/readme.md
@@ -66,9 +66,7 @@ When button is off the sample rate can vary from 950 kS/s to 2400 kS/s
This is the device sample rate in samples per second (S/s).
-Use the wheels to adjust the sample rate. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
-
-Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
+Use the wheels to adjust the sample rate. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position. Wheels are moved with the mousewheel while pointing at the wheel or by selecting the wheel with the left mouse click and using the keyboard arroews. Pressing shift simultanoeusly moves digit by 5 and pressing control moves it by 2.
7: Decimation factor