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 for the bootloader and test purpose.
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.