19
Alarm Recording (Emergency Recording)
When an emergency occurs at the monitoring site during prolonged monitoring and recording, the alarm function is
automatically triggered, and alarm recording is performed.

Principle of Alarm Recording

Alarm input Alarm reset input
Time lapse mode Alarm mode Time lapse mode
Tape end
Tape start
L18 to 240 hours 6 hours L18 to 240 hours
•When an alarm signal is supplied by an alarm sensor
(door or intercom switch, etc.) during recording in a
time lapse mode, the recording speed is switched to
the 6-hour mode and the details of the state of emer-
gency are faithfully recorded.

Alarm and Display Methods during

Alarm Recording

ALARM display lamp
REC
ALARM
EJECT
REC REVIEW
REC
REV FWD
TRACKING /
V-LOCK RESET
PULL OPEN
COUNTER /
TIME MODE
SEARCH
•When an alarm signal is supplied, the alarm display
lamp functions as follows.
Alarm
lamp
Alarm input Alarm reset
input
Power switch is
pressed twice.
OffFlashingOn
“A” display
appears
11-17-01 6H
10:14:30 A
Display
switches to
“6H”.
TV monitor

Connecting the Alarm Input

Connector

CAMERA
IN
OUT
TAPE END OUT
WARNING/
REC OUT
REC IN
COMMON
ALARM RESET IN
ALARM IN
AUDIO
SW OUT
AC IN
Alarm switch
4 V – 14 V
Alarm reset switch
Alarm switch
•Alarm recording starts when the alarm switch is set
on. When the alarm reset switch is set ON after
recording has started, alarm recording is released
and operation is returned to the original time lapse
recording mode.
•Alarm recording can be released by pressing the
STOP button during alarm recording.
However, it cannot be released even by pressing the
STOP button if the MENU/REC LOCK switch is at
REC LOCK or INT is lighted on the display.
•Alarm recording can be automatically reset without
supplying the alarm reset input signal.
The reset time can be set for 0.5, 1, 2, 3, 5 or 10
minutes.
•Another option is alarm recording only while the alarm
input signal is supplied.
•Alarm recording is also possible as far as the end of
the tape.
•When the alarm mode is OFF, alarm recording is not
possible even if the alarm switch is set to ON.