Minor edits to User Guide.

This commit is contained in:
Joe Taylor 2020-09-20 10:16:08 -04:00
parent 0ab3e5116f
commit e79c5f6576
1 changed files with 9 additions and 7 deletions

View File

@ -21,19 +21,21 @@ TIP: Your computer may be configured so that this directory is
`"%LocalAppData%\WSJT-X\"`.
* The built-in Windows facility for time synchronization is usually
not adequate. We recommend the program _Meinberg NTP Client_ (see
{ntpsetup} for downloading and installation instructions). Recent
not adequate. We recommend the program _Meinberg NTP Client_: see
{ntpsetup} for downloading and installation instructions. Recent
versions of Windows 10 are now shipped with a more capable Internet
time synchronization service that is suitable if configured
appropriately. We do not recommend SNTP time setting tools or others
that make periodic correction steps, _WSJT-X_ requires that the PC
clock be monotonic.
clock be monotonically increasing and smoothly continuous.
NOTE: Having a PC clock that appears to be synchronized to UTC is not
sufficient, monotonicity means that the clock must not be
stepped backwards or forwards during corrections, instead the
clock frequency must be adjusted to correct synchronization
errors gradually.
sufficient. "`Monotonically increasing`" means that the clock
must not be stepped backwards. "`Smoothly continuous`" means
that time must increase at a nearly constant rate, without
steps. Any necessary clock corrections must be applied by
adjusting the rate of increase, thereby correcting
synchronization errors gradually.
[[OPENSSL]]