SUBSWITCH: This feature corrects a problem whenever a PC logging program is set to acquire
both the MAIN and SUB VFO transceiver frequencies. The acquisitions of both VFO frequencies in
past versions of the router code caused CI-V to report the new sub frequency to PW-1.
SUBSWITCH is user configurable.
When SUBSWITCH is enabled (True) the router passes both the Main VFO and SUB VFO
frequency and band information to the PC logging software and to other equipment connected to the
CI-V bus. This optional feature should be used with great care if your software does this, to assure
that the Linear amplifier (e.g. PW-1) does not hot switch between bands while transmitting. This is
the default operation of previous versions of software.
The operator may want to use the SUBWITCH feature when operating SO2V on two different
bands, or for cross band split operation. Again, use great caution when doing this, make sure the
controlling software does not periodically check the sub VFO frequency.
When SUBSWITCH is disabled (False) the router only passes the main VFO frequency and mode
information to other equipment connected to the CI-V bus. (This protection happens regardless of
the PC logging program setting; acquiring both VFO conditions or only one). In this mode cross
band split operation is not supported. This is the safer of the two options.
USB ECHO: This feature enables feedback of messages sent by the USB port back to the USB
port. USB ECHO must be enabled (True) when using DX4WIN. USB ECHO will slightly slow
down the transmission of messages from the radio to the controller program.
USB ECHO is user configurable:
TRANSCEIVE MSG TO OTHER RADIOS: When enabled, it routes the transceive messages to
CI-V ports that do not have radios connected. This setting is important if using two radios and one
wishes to turn off the transceive functionality, meaning keep the two radios from tracking one
another. This done by turning this parameter to false.
TRANSCEIVE MSG TO USB: When true, all “transceive” messages will be passed on to the
USB port. When false, no transceive messages are sent to USB port. This is done because some
programs ( N1MM ) suggests running the radio with “transceive” off. To keep such programs
happy, turning this parameter will not confuse the PC application software with “transceive”
messages.
Icom radio CI-V address: This value must be set to enable either the power table or the Split
OFF when QSY >1MHz features are to be used. This is the Icom Radio device ID, where router
generated messages are sent. Only one radio can use these features.
Disclaimer: By setting the Icom radio CI-V address, you are knowingly asking the router
to change the state of your radio without your permission. Many users have expressed that
in doing so violates the 'prime directive', where the router now operate independently of
either the control software or the user. This maybe a hazard when a station has guest
operators that are unfamiliar with yet another control feature. On the other hand, these
tweaks have been known to save amplifiers. Think through the advantages and risks and
make an informed choice. Test the operation with your software. It is your decision.
Split OFF when QSY >1MHz: The default is false. When true, whenever a frequency change of
greater than 1MHz occurs, a router generated message from controlled Icom Device ID of 0xE7 is
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