Cobra 29 LTD Classic 29 LTD Manual - Page 6

Operation Calibrate For SWR (Standing Wave Ratio) Calibrate for SWR (Standing Wave Ratio) SWR meter calibration is required to accurately measure the SWR of the connected antenna system. Careful adjustment is critical to obtain best accuracy. Note Antenna Indicator LED will illuminate RED when transmitting if the SWR is high. CH19 NOR 1 Select channel 20. 3 Push and hold the mic button. CH19 NOR Operation Note Calibration must be made in an open area (never in a garage). Vehicle doors must be closed. No one should be standing near the antenna. (See your antenna directions for more complete information). 2 Switch to the CAL position. 10 4 While holding the mic button adjust the SWR CAL knob so the meter needle swings to the CAL mark on the right side of the meter. continued 11