Barrett 950 HF - Scrambler - Hardware Option Enable; Silent Mode

Scrambler - hardware option enable
Silent mode
...enables software control of the scrambler hardware when fitted.
... selects scrambler hardware PCB option fitted
... selects scrambler hardware PCB option not fitted
This option enables or disables any audible annunciation tones associated with front panel
key operation.
... tones enabled
... tones disabled
BARRETT 950 HF TRANSCEIVER
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