38
Simplex Multiplexer
Controlled Alarm Recording
When alarm recording is controlled by the Simplex, the VCR
records cameras with alarm signals as alarm video. The re-
corder responds to the alarm signal provided by the Simplex
system. It enters the alarm recording mode and changes to the
alarm record speed. The VCR remains in the alarm mode until
released by the Simplex. Controlled alarm recording requires
both video connections and alarm connections between the
Simplex and the VCR.
To set up the system for controlled alarm recording:
1.
Connect the Simplex
vcr in
connector to the VCR’s
video out and the Simplex
vcr out
connector to the VCR’s
video in.
2.
Connect a wire from the VCR ground to the Simplex
alarms
connector pin
17
(alarm output common).
3.
Connect a wire from the VCR alarm input to the Simplex
alarms
connector pin
19
(if VCR alarm input polarity is
active low) or pin
18
(if VCR alarm input polarity is active
high).
4.
Set the Simplex
ALARM DURATION
option to the number
of seconds you wish each alarm event to be recorded.
5.
Set the VCR’s Alarm Duration option to MANUAL.
6.
Set the Simplex
VCR RECORD TIME
option to match the
VCR’s normal recording speed.
7.
Set the Simplex
VCR ALARM RECORD TIME
option to
match the VCR’s alarm recording speed.