GRASS VALLEY LDK 3000 -, Руководство пользователя

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94 LDK 3000 HD camera User’s Guide (v1.0)
Chapter 7 - Connectors
Microphone 2 connector
Intercom headset connector
Power output connector
Power input connector
Caution
The input voltage must not 17 VDC.
Pin Description
1 Audio shield
2 Audio In (+)
3 Audio Return (-)
XLR 3-pin female
Microphone impedance > 200
Ω
Phantom power +48 V switchable
Sensitivity range microphone: -64 to -
22 dBu
Sensitivity range line: +10 to +42 dBu
Signal at pin 2 of audio input is in phase
with signal at pin 2 of audio output.
3
1
2
Pin Description
1 Microphone return
2 Microphone
3 Telephone return
4 Telephone left
5 Telephone right
XLR 5-pin female
Microphone level: -64 dBu / -24 dBu
switchable microphone impedance:
> 600
Ω
Output level: +6 dBu nominal
Output impedance: < 50
Ω
2
3
1
4
5
Shield of cable directly to the connector
housing.
The socket provides access to an
internal tally switch. When the camera
is On Air, the contact of the internal
relay is closed (contact between pen 1
and pen 2).
Hirose 4-pin female
Pin Description
1 GND
2 On Air
3 Not connected
4 +12 VDC (max.18 W)
3
2
4
1
3
2
4
1
This socket accepts a DC voltage of
15 VDC nominal.
XLR 4-pin male
Pin Description
1 GND
2 GND (bridged to pin 1)
3 11.5 - 17 VDC (bridged to pin 4)
4 11.5 - 17 VDC