From 08e1c21d312da2390ccedd4825f239d3dd762e16 Mon Sep 17 00:00:00 2001 From: Joe Taylor Date: Fri, 29 Sep 2017 13:59:16 +0000 Subject: [PATCH] Additional instructions for using the FreqCal procedure. git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8140 ab8295b8-cf94-4d9e-aec4-7959e3be5d79 --- doc/user_guide/en/measurement_tools.adoc | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/doc/user_guide/en/measurement_tools.adoc b/doc/user_guide/en/measurement_tools.adoc index 1dc367c7d..d7718aa46 100644 --- a/doc/user_guide/en/measurement_tools.adoc +++ b/doc/user_guide/en/measurement_tools.adoc @@ -27,11 +27,16 @@ of WWV at 2.500, 5.000, 10.000, 15.000, and 20.000 MHz, and CHU at 3.330, 7.850, and 14.670 MHz. Similar shortwave signals are available in other parts of the world. +- In most cases you will want to start by deleting any existing file +`fmt.all` in the directory where your log files are kept. + +- Enter `0.0` for both *Slope* and *Intercept* under _Frequency +Calibration_ on the *Settings -> Frequencies* tab. + - To cycle automatically through your chosen list of calibration frequencies, check *Execute frequency calibration cycle* on the *Tools* menu. _WSJT-X_ will spend 30 seconds at each frequency, -writing its measurements to the file `fmt.all` in the directory -where your log files are kept. +writing its measurements to file `fmt.all` in the log directory. - During the calibration procedure, the radio's USB dial frequency is offset 1500 Hz below each *FreqCal* entry in the default frequencies