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Connecting the XPA125B amplifier to the G90/S (optional)
The G90/S connects to the XPA125B power amplifier using the CE-19 or the
newer DE-19 adapter. The XPA-125B’s antenna tuner is rated for full power
output from the amplifier (at least 100w).
Diagram of Wiring between G90 and XPA125B using a CE-19 or DE-19 unit
Once connected, the G90/S can automatically control the band switching of the
XPA125B. The transmit ALC connection is also handled via the CE-19 or DE-
19 adapter. If the G90/S output power exceeds the maximum input power to the
XPA125B, the ALC control automatically decreases the G90/S’s output power
to avoid over-driving the amplifier.
The output power of the G90/S should be set to be ≤2.5W to protect the
amplifier. The amplifier can give full output power with very little drive on the
input socket.
■ The 8-pin ACC wire is included with the CE-19 or DE-19 kit. The 6-pin ACC
wire is included with the XPA125B to work with the CE-19 (an L-4001 cable is
required for use the XPA125B with the DE-19). A coax patch lead is required to
go from the G90/Ss output port to the amplifiers input port (user supplied)
Factory Reset
Factory Reset
If the radio’s operation becomes abnormal in some way, you can restore the
radio to the original factory settings.
Operational steps:
1. With the radio off, hold the FUNC button in and press the power button quickly
on the radio to start the restoration of factory settings.
2. Press the [PRE] button to confirm the reset. Press the [VM] button to cancel
the operation.
■ Default parameters can meet most operating needs. This is a good test to see
if your radio is operating normally.
ACC interface
6-core wire
8-core wire
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