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Advanced Setup
The Tone Key is an inaudible fre-
quency that is transmitted along
with the audio signal. It assists in
reducing audio interference from
other RF devices. When trouble-
shooting audio issues, it may be
helpful to turn the tone key off.
For best performance, it is recom-
mended to always have the Tone
Key activated.
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Advanced Setup
Squelch
Tone Key
Contrast
Lock
Back
ON
ON
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Advanced Setup
Squelch
Tone Key
Contrast
Lock
Back
OFF
ON
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LOW
Advanced Setup
Squelch
Tone Key
Contrast
Lock
Back
ON
ON
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Advanced Setup
Squelch
Tone Key
Contrast
Lock
Back
OFF
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Enabling the Tone Key
Rotate the cursor to select the TONE KEY parameter. Press the MENU/SELECT
button to adjust the setting. Rotate the MENU/SELECT knob to turn the
TONE KEY on or off. Press the MENU/SELECT button to confirm and store the
setting. Press the POWER button to cancel the selection and move back to the
ADVANCED LEVEL sub-menu.
Adjust the Display Contrast
Rotate the cursor to select the CONTRAST parameter. Press the MENU/SELECT button to adjust the setting.
Rotate the MENU/SELECT knob to adjust the contrast level. Press the MENU/SELECT button to confirm and
store the setting. Press the POWER button to cancel the selection and move back to the ADVANCED LEVEL sub-
menu.
Lock the receiver controls
Rotate the cursor to select the LOCK parameter. Press the MENU/SELECT button to adjust the setting. Rotate
the MENU/SELECT knob to enable the receiver Lock. Press the MENU/SELECT button to confirm and store the
setting. Press the POWER button to cancel the selection and move back to the ADVANCED LEVEL sub-menu.
If the Lock is activated, the receiver must be unlocked before being able to adjust any parameters. To unlock
the receiver, press and hold the MENU/SELECT button until the LOCK icon is flashing. Rotate the MENU/
SELECT knob until the icon shows unlock, then press the MENU/SELECT button to confirm.
01
LOW
Advanced Setup
Squelch
Tone Key
Contrast
Lock
Back
ON
OFF
10
LOW
Advanced Setup
Squelch
Tone Key
Contrast
Lock
Back
OFF
ON