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APPENDIX C: OBSERVATION SYSTEM QUICK INSTALL GUIDE
1.1 Introduction
This guide provides the steps necessary to install the DVR1 in combination with a Observation System Multiplexer or Switcher
Monitor. If you are not familiar with the operations of the DVR1 and the Observation System Monitor, refer to the corresponding
instruction manuals.
1.2 Required Software Version
Ensure that the DVR1 and Observation System monitor’s software version is equal to or higher than noted below.
1.3 Installation
1.3.1 Connection of Audio/Video Cable (A/V Cable)
To record camera images, the Observation System VCR In/Output allows connection of the DVR1. Connect the Mini Din plug to the
VCR connector of the System Monitor.
1. Connect the BNC connectors to the VIDEO IN and VIDEO OUT of the DVR1.
ATTENTION:
VIDEO IN of the A/V cable must be connected to VIDEO OUT of the DVR1.
VIDEO OUT of the A/V cable must be connected to VIDEO IN of the DVR1.
2. Connect the black VEXT cable (located in the A/V cable) to the VEXT-pulse output of the DVR1 (Pin 5 of Accessories port) for
proper synchronization between the System Monitor and DVR1.
3. If the DVR1 also has audio recording capabilities, connect the RCA connectors to AUDIO IN and AUDIO OUT of the DVR1.
ATTENTION:
AUDIO IN of the A/V cable must be connected to AUDIO OUT of the DVR1.
AUDIO OUT of the A/V cable must be connected to AUDIO IN of the DVR1.
1.3.2 Connection of Alarm Contact
In case of an alarm, the output relay contact of the Observation System Monitor can change the recording speed from Normal recording
to Alarm recording until the alarm is acknowledged by the user or automatically resets after the programmed alarm time has expired.
Product Software Version
DVR1 (all models) 1.14 or higher (available at www.boschsecuritysystems.com)
Observation System Multiplexer Monitor 2.01c or higher
Observation System Switcher Monitor 1.00 or higher
VIDEO
OUT
AUDIO
OUT
AUDIO
IN
VIDEO
IN
VIDEO
OUT
AUDIO
OUT
AUDIO
IN
VIDEO
IN
Time-lapse VCR
VEXT
GND
To Slave Monitor
Camera 1–8
VCR (Playback Only)
Not Used
VIDEO OUT
AUDIO OUT
VIDEO IN
AUDIO IN
TV/Monitor
VIDEO OUT
VIDEO IN
AUDIO OUT
AUDIO IN
VIDEO
OUT
AUDIO
OUT
AUDIO
IN
VIDEO
IN
To Pin 5 of Accessories
PCB of DVR1 (VEXT)*
To VIDEO OUT of DVR1
To VIDEO IN of DVR1
To AUDIO OUT of DVR1
To AUDIO IN of DVR1
1
2
3
4
Alarm Relay
Alarm IN
VEXT
Connect
Accessories
PCB to
Accessories
Port of DVR1
1 6
2 7
3 8
4 9
5 GND
*Not required by the Observation System Switcher