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S/RF/SWR/CAL SWITCH. When in the S/RF position, the meter swings proportionally to the strength of the received signal. When transmitting, the meter indicates relative RF output power. When in the "CAL" position, the SWR meter can be calibrated by adjust- ing the "SWR CAL" control to the "CAL" mark on the meter face. When in the "SWR" position, the standing wave ratio is measured.
Have you checked the SWR's.. also some caps help with the roll off of stray emissions . hopefully he took out the right one. also if you have low amperage going to the radio. it will cause problems. normal cobra 29 2-5amps and the factory pwr cord is adequate for that amperage now your pulling 80watts + make sure you have more amps to handle it. watts/13.8volts=AMPS needed. soo say if your radio is doing 100w/13volts you will need 7.7amps basically in theory.. amps- good grounds- good swr's that shop should of checked your antenna for free.. we do here in texas.
Hi dstrand, sorry you are having a problem. I will need some more info if you can. Is this radio in a base situation or mobile? Have you had any work don recently? Have you changed anything on the system? (Microphone, antenna, coax, etc)
Haave you checked your swr recently/ If yes, did you use a seperate meter or did you use one built in the radio?
does this radio have freq? if so you could have turned on causing
a miss alignment with antena.. check all the switches move into different positions and keep keying up, good antena connection?