XIEGU COMMUNICATIONS
Warning:
1. Do not allow the maximum output power of the amplifier to exceed 100 W.
2. Using the XPA125B at high power levels for extended periods can lead to
overheating and potential damage to the PA stage.
3.2.2 Band switching
-
-
-
You can switch between the two modes of
[AUTO-MANUAL]
via this key.
If you want to connect the XPA125B to an X108G or X5105,
please set XPA125B to
[AUTO]
mode.
If you want to connect the XPA125B to other devices,
please set XPA125B to
[MANUAL]
mode and manually
switch to
the desired frequency band.
Manual switching of frequency bands follows this order
：
160m
→
80m
→
60m
→
40m
→
30m
→
20m
→
17m
→
15m
→
12m
→
10m
→
6m
3.2.3 Using the automatic antenna tuner unit
[ATU]
(PA unit is set to
OFF
state).
-
Press the
[ATU]
buttonso that the current state of the amplifier
is
[ON]
.
Set the transceiver mode to CW& set the output power to 5 W.
-
-
Press the CW key to transmit, Press and hold the ATU button, the
ATU unit will start tuning;
-
-
If tuning is successful,
The output standing wave value
will be displayed stably.
If tuningfails,
The output standing wave value will flash.
If you need to re-tune, you can press the [ATU] button for two seconds to
force the XPA125B ATU unit to start re-tuning.
After successful tuning, switch the transceiver to the desired state for use.
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