GP 135 User’s Manual
11
3.1 Volume setup
- Click or to adjust the volume of the headphone & speaker
- Click or to adjust the level for tap sound with options:
Soft , Loud& No sound
- Click to close the operation menu
3.2 Backlight Setup
- Click or to adjust the brightness of the backlight.
- Click or to adjust the interval time for LED-off with options:
Always on, Off after 1 / 2 / 5 / 10 / 30 min
- Click to close the operation menu
Содержание GP 135
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