Axnes AS
Document number
Revision
Date
AX-PNG-UMAN-1220
Issue C
2018-Jun-05
Page 2-3
Confidential document and information
Microphone detect
The MP50 implements active microphone detection when a headset is connected. The MP50
will identify the microphone type and set parameters for gain, impedance and bias
accordingly. The active microphone detect can be disabled in the menu, and microphone
type can be manually set. It is recommended to use active microphone detect.
If no microphone is detected, the MP50 will be in walkie-talkie mode.
General UI
The MP50 is equipped with a small dot matrix display located at the top, angled to be
readable from front and top. There are two PTT buttons: one large primary located at the
front, and a smaller secondary located at the side of the unit.
Two-character dot matrix display
GPS antenna
Waterproof headset connector
Secondary PTT (PTT-2)
Primary PTT (PTT-1)
Configuration up/down
Menu/OK
Volume Up/On
Volume Down/Off
AIS
Loudspeaker and microphone