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K9JM CI-V User Manual page 40

K9jm ci-v router an intelligent ci-v interface for icom pw-1 amplifiers

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If both are true, and the operator does NOT adjust the RF Power control while in a band segment,
then when the router reads the value upon leaving a band segment, it will get the value that was set
when entering the band segment, and thus the value will not be changed.
Note: While this behavior is true for the Icom 756ProII it has not been confirmed on all ra-
dios. Your mileage may vary.
If both are true and remember the router default value is 0, then the first time on each band segment,
the drive level will start low and the operator will need to adjust the drive level. Eventually, as one
visits all the band segments, the router will "learn" where the RF Power level should be set.
If you do not wish to have the router keep resetting the power level, set "Enable driver
power level" to false and visit all band segments while "Enable driver power level
learn" is true and fill out the table by adjusting the RF Power knob for each segment.
If the table has been established and one does not want changes to the table, set "Enable
driver power level learn" to false.
If running a contest without an amplifier, (eg NAQP) then set both parameters off and this feature is
disabled. The map will remain in the router's memory.
Warning: DO NOT disconnect ALC. With the PW-1 make sure ALC is adjusted properly. ALC
plays a vital role at turning back the driver power to the amplifier during a fault condition. Operat-
ing the PW-1 without the ALC properly adjusted can damage to the PW-1. This feature makes it
so that ALC will not be used often during normal operation.
CI-V Interface board test
In order to test the combination CI-V interface board and the Arduino Mega2560, start the CI-V
router with Pin 52 on the Arduino board connected to ground. This can be done by placing the
jumper to the adjacent ground pin, as shown above. When the router is started with Pin 52
grounded, a simple program runs that tries to send a message from each CI-V port to the other CI-V
ports every 100ms. To see the results, one must use PuTTy (or your favorite communications pro-
gram) to connect to the router at 115200 baud rate through the USB port.
Page 40

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