OM POWER OM2500 A, Instruction Manual

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INHIBIT
– indicates interruption of operation during the tuning process of the PA. If
indicated by RED LED then PA is in STBY mode. If retuning within same
BAND then PA will retune according to QRG of TRX. When changing the
BAND – INHIBIT will stay lid till KEY IN is triggered for even short period
and tuning process will start. After that PA is automatically ready for
operation.
ANT, ANT1, ANT2 –PA is capable of automatic antenna switching (ie. 80m
CW and 80m SSB can be split between two antennas. PA will automatically
select desired antennas by selecting last used antenna on given frequency.
SET - button for:
-
MAIN MENU
-
Confirmation of selection
-
Saving of selected value
-
Saving of tuning parameters
TUNE - selection of TUNE mode
AUTO - selection of Automatic mode
MAN - selection of manual mode
DWN / UP - selection of band, segment or parameter
Configuring and Operating the OM2500A Power Amplifier
When the button ON is pressed, amplifier will start and will heat the ceramic tube. While this
is being done, PA will have STBY and WAIT LED lid on. If there is TRX connected to the
correct port and all communication settings are right correct operating frequency and AUTO
with type of transceiver will be indicated on the alphanumeric display. After successful
heating of the TUBE (3 mins) you can enter operating mode by pressing the OPR button..