Icom IC-7800 Instruction Manual - Page 100
Noise reduction, Dial lock function
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5 FUNCTIONS FOR RECEIVE I Noise reduction [NR] for main [NR] for sub [NR] control for main [NR] control for sub The noise reduction function reduces random noise components and enhances desired signals which are buried in noise. The DSP does the random noise reduction function. q Push the [NR] to turn the noise reduction ON. • [NR] indicator above their switch lights green. w Rotate the [NR] control to adjust the noise reduction level. e Push the [NR] switch to turn the noise reduction OFF. • [NR] indicator lights off. Deep rotation of the [NR] control results in audio signal masking or distortion. Set the [NR] control for maximum readability. I Dial lock function [LOCK] indicator for main [LOCK] indicator for sub [LOCK] for main [LOCK] for sub The dial lock function prevents frequency changes by accidental movement of the tuning dial. The lock function electronically locks the dial. ➥ Push [LOCK] to toggle the dial lock function ON and OFF. • The [LOCK] indicator lights when the dial lock function is in use. 5-18