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I C S - 2 0 0 3 I N T E R C O M S T A T I O N
3 - 6
Figure 12: Analog Block diagram—ICS-2003 Main PCB
This page is a place holder.
EQ
EQ
EQ
DTMF Generator
AUX. AUDIO
OPTION
HOT
MIC
OUTPUT
SA
OUTPUT
SPEAKER
FEED OUT
ANNOUNCE T
ONE
FROM
MICROPROCESSOR
RS-422 COM MODULE
4-WIRE
TA
L
K
4-WIRE
LISTEN
BALLANCED
PROGRAM
INPUT
HEADPHONE #1
HEADPHONE #2
SPEAKER
P
ANEL
MICROPHONE
HEADSET
MICROPHONE
MIC GAIN
TRIMS &
SWITCHES
LIMITER
MICROPROCESSOR
CONTROLLED VCA
VOLUME
CONTROLS &
MUTE SWITCH
MICROPROCESSOR
CONTROLLED
AUDIO SWITCH
ICS-2003
AUDIO BLOCK DIAGRAM
Jan. 14, 1998
Intercom
Intercom
Intercom
Program
Program
Program
Sidetone
Sidetone
Sidetone
Program
1
1
1
2
2
2
3
3
3
3
PROGRAM
VOLUME
INTERCOM
VOLUME
Summary of Contents for ICS-2003
Page 1: ...INTERCOM STATION I N S T R U C T I O N M A N U A L ICS 2003 ...
Page 4: ...I C S 2 0 0 3 I N T E R C O M S T A T I O N i i ...
Page 56: ...I C S 2 0 0 3 I N T E R C O M S T A T I O N 3 2 2 ...
Page 61: ...I C S 2 0 0 3 I N T E R C O M S T A T I O N 3 2 7 ...
Page 65: ...I C S 2 0 0 3 I N T E R C O M S T A T I O N 4 4 ...