Audio Jumper J8
Insert a jumper into the pin
header J8, use pins 1-2.
If the Voice Memory is installed,
the jumper is not needed.
Jumper J4
Do not install the jumper J4
for the normal use. It is intended only for test purposes.
If the jumper J4 is installed
you can not switch OFF TRX2 with the PWR button.
LCD-module to the DDS board
installation
First fix the LCD module mechanically
to the DDS board with the placed pin headers.
Only after that solder the the
pin headers to the boards. This is to allow the correct
spacing between the boards and
to align the boards properly.
MIC socket mounting
Fix the MIC socket to the front
panel before soldering to the
DDS board
Encoder installation
Before tightening the nut check
the lock washer thickness
that the encoder fits perfectly
between the board and the
front panel. When necessary uninstall
the tooth washer
and bang it slightly to a suitable
thickness.