Gme TX3120S User Manual download pdf (Page 14)

PAGE 14 INSTRUCTION MANUAL TX3120S

When ﬁnished brieﬂy press the Channel control to

return to the menu or press and hold the Channel

control to exit the menu. If auto-colour is still

enabled, the display lighting will continue to cycle

through the colour spectrum until disabled using

the steps above.

DYNAMIC VOLUME CONTROL (DVC)

The modulation level of signals heard on the

UHF CB band can vary considerably resulting in

noticeable differences in received audio volume.

Often users compensate for this by adjusting

the Volume control for each incoming signal.

With the introduction of 80 channel narrowband

transmissions using lower levels of modulation, the

diversity in received audio volume has increased

further. Your TX3120S is ﬁtted with a Dynamic

Volume Control feature which, when activated,

automatically compensates for these variations in

audio level resulting in a constant audio output

level to the speaker.

To activate the Dynamic Volume Control

1. Press and hold the Channel control to enter the

menu. The display will show the current Squelch

level setting.

2. Rotate the Channel control until ‘DVCOF’ or

‘DVCON’ is displayed then press the Channel

control to select it. ‘ON’ or ‘OF’ will be ﬂashing.

3. Rotate the Channel control to make the

desired selection. Select ‘DVCON’ to switch the

Dynamic Volume Control ON or ‘DVCOF’ to

switch it OFF.

When ﬁnished brieﬂy press the Channel control to

return to the menu or press and hold the Channel

control to exit the menu.

Dynamic Volume Control ON

Dynamic Volume Control OFF

VOICE SCRAMBLER

Your radio incorporates a simple voice scrambler

using band inversion. The scrambler is compatible

with the majority of scramblers used by other

manufacturers, allowing you to enjoy scrambled

communications with owners of non-GME radios.

Once the scrambler has been activated your

transmission and reception will only be intelligible

to others using the same scrambler technology.

To enable or disable the voice scrambler

1. Press and hold the Channel control to enter the

menu. The display will show the current Squelch

level setting.

2. Rotate the Channel control until ‘ENCOF’ or

‘ENCON’ is displayed then press the Channel

control to select it. ‘ON’ or ‘OF’ will be ﬂashing.

3. Rotate the Channel control to the right to

enable the scrambler encoder. ‘ENCON’ will be

displayed.

4. Rotate the Channel control to the left to

disable the Scrambler encoder. ‘ENCOF’ will be

displayed.

When ﬁnished brieﬂy press the Channel control to

return to the menu or press and hold the Channel

control to exit the menu.

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Gme TX3120S User Manual Page 14

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