Mar 2017 Page 92
DATA ACQUISITION FLIGHT RECORDER Type D51615-202-XXX or D51615-
202-XXX-090 with CCU Type D51616-XXXX and CAM Type D51623-XXXX
Installation and Operating Manual with Illustrated Parts
List
Commercial in Confidence
PIM434-I
© Penny & Giles Aerospace Ltd. No part of this work may be reproduced or distributed by any
means without prior permission in writing from the copyright owner.
(c) INTERNAL MIC HI
Not used as the integral microphone
(if fitted) is internally routed to MIC
1 connections.
INTERNAL MIC
BIAS
(d) AUDIO MONITOR
HI
Summed audio input from CVR.
AUDIO MONITOR
LO
(e) FDR INHIBIT B: Normally connected to aircraft
interlocks such that interlocks are
open circuit when aircraft can move
under its own power and ground
when not capable of moving.
If interlocks or function not
implemented, leave open circuit.
1.2.4 Equipment Outputs
Control Outputs
(a) PUSH-TO-
TEST:
Normally open circuit but is connected to
CHASSIS GROUND when TEST pushbutton
is depressed.
(b) ERASE
SWITCH A:
Normally connected to CHASSIS GROUND
but is connected to ERASE SWITCH C
when ERASE pushbutton is depressed.
(c) ERASE
SWITCH C:
Normally open circuit but is connected to
ERASE SWITCH A when ERASE
pushbutton is depressed.
Signal Outputs
(a) OUTPUT HI
Area Microphone Preamplifier output.
OUTPUT LO
(b) FDR INHIBIT
A:
Normally connected to FDR Inhibit input of
DAFR.
If interlocks or function not implemented,
leave open circuit.
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