12
Bolero User Manual A20
XLR-4 (male)
1
2
3
4
Pin
Description
1
Microphone -
2
Micr (+5 VDC)
3
Earphones -
4
Ear
Figure 2: XLR 4 male
The headset connector is a 4-pole male XLR connector and supports mono headsets with electret or dynamic
microphones, depending on the menu setting.
The microphone power (+5 VDC) will be switched on if the menu setting '
Audio
>
Headset Type
' is set to
Electret
or
Auto
and an electret microphone is attached.
3.5mm jack (female)
2
3
1
Pin
Description
1 (Tip)
Left
2 (Ring)
Right
3 (Sleeve) GND
Figure 3: 3.5mm jack female
The 3.5 mm jack is a line input connector. The maximum input level is +12 dBu.
USB Type-C
A1
A12
B12
B1
Pin
Description
Pin
Description
1
GND
7
Dn1
2
SSTXp1
8
SBU1
3
SSTXn1
9
VBUS
4
VBUS
10
SSRXn2
5
CC1
11
SSRXp2
6
Dp1
12
GND
Figure 4: USB Type-C
The USB connector is used to charge the Beltpack.
Furthermore the connector is used for firmware updates. By default the Beltpack is updated in the Bolero Charger.
Charging is only possible with >500 mA USB ports. 100 mA are not supported.
The charge current is limited to 500 mA by the Beltpack.
Содержание Bolero
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