2. Specification
33
2.3 Operation Panel Unit: OPU (NCG-169)
(1) Function: Visible indication and audible alarm for VDR system
alarm
in the Wheelhouse
Display of the cause of an error
Input of Heading initial value
(2) Performance:
a) Type: Flush mount type or Wall mount type
b) Power supply: Supplied from the Recording Control Unit NDV-1850
c) Indication: LED lighting for alarm indication
4 digit LED for error code indication
Buzzer (mutable by ACK switch)
d) Operation: Alarm acknowledgement
Dimmer of LED
(3) NSK operation: (When the NSK interface board is enabled.)
a) Operation Entry of the initial value of heading
b) Indication Heading value indication
(4) Environmental condition:
a) Operating temperature: -15 deg. to +55 deg. (IEC 60945 protected type)
b) Temperature and humidity: +40°C, 93%
c) Vibration: 2Hz to 13.2Hz ±1.0mm
13.2Hz to 100Hz 0.7G
(5) General specification
a) Size: 145(w) x 50(d) x 165(h) mm
b) Mass: 0.3kg
c) Color: N4 semi-gloss texture
2.4 Microphone Unit (NVT-161)
(1) Function: Acquisition of W/H conversation, Alarms and sounds etc.
in W/H
(2) Performance:
a) Type: Ceiling mount type, wall mount type
b) Device: Electoret condenser microphone
c) Directivity: Hemispherical and omnidirectional
d) Receiving range: 2.5m of radius
e) Power supply: Phantom powered by 12VDC
f) Test device: Built-in speaker for audio acquisition test
(3) Environmental condition:
a) Operating temperature: -15°C to +55°C (IEC 60945 protected type)
b) Temperature and humidity: +40°C, 93%
c) Vibration: 2Hz to 13.2Hz ±1.0mm
13.2Hz to 100Hz 0.7G
(4) General specification
a) Size: 110(w) x 44.5(d) x 160(h) mm
b) Mass: 0.2kg
c) Color: N4 semi-gloss texture
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