Axnes AS
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Page 2-8
Adjusting volume
Depending on the headset/helmet connected to the MP30, the volume may be individually
set to preferred volume by using the volume up/down buttons on the side of the MP30. When
the MP30 is power off-on cycled, it will start up with a default volume setting.
VOX / PTT mode
When a headset is connected to the MP30, it will by default be set to VOX mode. It will
remain in VOX mode until PTT mode is activated by pressing the primary PTT button.
Pressing the secondary PTT button will not take the MP30 to PTT mode, but activate
transmission to the secondary group as defined by the active configuration.
When the MP30 is in PTT mode, VOX mode can be re-enabled by pressing the
Configuration Down and the primary PTT simultaneously. A power off/on will reset to VOX as
well.
VOX sensitivity
Figure 2-1 VOX trigger level functionality
The MP30 has automatic VOX sensitivity. When starting the MP30, the VOX trigger level
starts at the VOX Min level (set in the menu). If the ambient noise level rises, the VOX trigger