JUMA PA100 Analog Control Module adjustments      Last update 2008-11-30 OH7SV
There are two adjustable items on the board. Refer to description, layout picture and schematics
1. Moving coil meter calibration, CAL trimmer R29 2. Fan starting temperature, FAN trimmer R2
This adjustment is not mandatory, because the default fan starting temperature is abt 55ºC. The adjustment is however recommended.
If you like, you can set the fan starting temperature for a lower temperature level.
Note! Finally adjust the TEMP trimmer R14 in the RF amplifier board until the temperature reading indicates ambient temperature, typically 25ºC.