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Bolero User Manual A20
2.3.6 Main Menu
The Main-Menu is opened by pressing and holding (>3 sec.) the Menu key.
Basic information is displayed and settings can be modified in the Main-Menu.
The Main-Menu contains following entries:
Audio
Gain Settings
Headset Volume
Volume level of the headset:
Mute, -60 ... +12 dB [
-12
]
Speaker Volume
Volume level of the speaker:
Mute, -60 ... +12 dB [
-18
]
Side Tone
Volume level of the Sidetone:
Mute, -60 ... +12 dB [
-12
]
Headset Mic Gain
Gain level of the headsets microphone:
0 ... +30 dB [
+6
]
Internal Mic Gain
Gain level of the internal microphone:
0 ... +30 dB [
+6
]
Aux Input Gain
Gain level of the Aux input:
Mute, -60 ... +12 dB [
-12
]
Beep Signalization
Volume level of the beep tones:
-24 ... +12 dB [
-12
]
Voice Signalization
Volume level of the voice signalizations
(relative to Headset/Speaker volume):
-24 ... +12 dB [
-6
]
Limiter Threshold
Threshold level of the limiter:
Off, -24 ... +12 dB [
+8
]
Vox Threshold
Threshold level of the Vox:
Off, -24 ... +12 dB [
-18
]
Bluetooth Volume
Volume level of the Bluetooth audio signals:
Mute, -60 ... +12 dB [
0
]
Headset Lower Limit
Lower volume level of the headset:
Mute, -60 ... +12 dB
Speaker Lower Limit
Lower volume level of the speaker:
Mute, -60 ... +12 dB
Headset Type
Selection of the microphone type in the headset:
Auto detect, Dynamic, Electret
Enhancements
Headset Echo
Cancellation
Prevents/reduces acoustic echo distortions to
improve voice quality: On, Off
Enables the internal speaker and microphone (walkie-talkie mode):
On, Off
