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One way to test external transverters is to manually set VFO A to the IF
frequency, then set MENU:XVTR Out Test to On. This redirects all receiver
input to XVTR IN and all transmit output to XVTR OUT. The 5 mW PWR range
applies.
Dual Transverter Operation
Two external transverters can be connected to the K4 for simultaneous use
on two different bands. Set up VFO A for one band, and select either RX1 (RX
ANT 1) or RX2 (XVTR IN) as the antenna. Set up VFO B for the other band,
using the opposite antenna.
If you also wish to transmit on both transverters (one at a time), connect the
XVTR OUT jack to both. A passive -3 dB splitter may be needed depending on
the transverter's input impedance requirements.
The transverter in use for transmit will be indicated by the TX arrow on the
LCD. To switch between them, use SPLIT or A/B swap. If the transverters
have different IFs, you may hear relays switching as you move between the
two VFOs.
REMOTE CONTROL
The K4 supports two types of remote control: traditional software
application control, usually by a computer near the radio (over USB or local
network), and remote front panel emulation to fully control a local or distant
radio. The two types are described below.
Software Application Control
Your K4 can be controlled via logging and contesting software (e.g.
HRD or N1MM, WinTest, Writelog, Win4K4Suite, etc.) running
on a computer directly connected to the radio. The K4 provides RS232,
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