Maas LP-4502+ Bedienungsanleitung Seite 36

F4 VOX Sensitivity
Under menu item 4, VOX sensitivity levels1 - 9 can be
selected. L9 is least sensitive.
In this menu item can be directly VOX voice sensitivity test,
please speak directly with a microphone, when the volume
is enough to trigger VOX, will be issued a beep and flash TX
LED (Red) once, you can choose the appropriate VOX voice
sensitivity.
*If VOX is disabled in F3, this feature is invalid and F4 will
hide temporarily.
Factory default: L3
F5 Keypad Tone ON / OFF
Under menu item 5, select ON / OFF to enable / disable the
beep sounds. When OFF is selected, the keypad tone / alert
sound and power ON / OFF sound will be turned off.
Factory default: ON
F6 Auto Power Off
Under menu item 6, choose OFF / 30 / 60 / 120 min.
depending on your need. If 30 is selected, the radio
automatically turns the power off if none of the keys are
operated or no signal received after 30 min.
Factory default: OFF
F7 Transmit Time Out Timer
Under menu item 7, choose OFF / 30 / 60 / 90 / 180
depending on your need. If 30 is selected, with icon
flash, the radio will stop transmission if continues talk
exceeds over 30 sec. and radio will automatically swift to
receiving mode. The continuous beep warning and the
icon flashing will continue until [PTT] is released.
Factory default: 90 sec
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