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ALARM RECORDING
Alarm Recording Counter Display
œ During alarm recording, “A” will be flashing on the
digital display.
œ If the ON SCREEN switch is set to the “ON” position,
the alarm recording type “PRE ALARM, ALARM or
POST ALARM” and the number of alarms will flash on
the monitor screen.
œ The maximum display number of alarm recordings is
“999”, at the next alarm recording the counter will
indicate “000”.
œ When the (ALARM LOG) menu is displayed, press the
MENU RESET button to reset the alarm counter to
“000” (all the data of the (ALARM LOG) menu is reset).
Connections to the ALARM IN/OUT
Terminals
œ Alarm input signal
Connect a make-contact (no voltage) switch between
the ALARM IN and COM terminals.
œ Alarm output signal
Normally DC 5V are output between the ALARM OUT
and the COM terminals. When an alarm input (trigger)
is received and the unit is recording, the output falls to
0V. Once the alarm recording is over, the output
returns to DC 5V.
ALARM RESET IN terminal
œ If the circuit between the ALARM RESET IN terminal
and COM terminals is closed during alarm recording,
alarm recording mode is canceled.
Checking the Alarm Recordings Time
The date and time of up to 100 alarm recordings can be
displayed.
1 Press the MENU button to display the (MAIN MENU
1) menu.
2 Press the SHIFT ] (or \) button until the (MAIN
MENU 2) menu is displayed.
@@@@@@<MAIN@MENU@2>
1.RS-485@SET
2.ALARM@LOG
3.POWER/DEW/USED@TIME
4.SECURITY@LOCK
TO@MAIN@MENU@1
3 Press the SHIFT ] (or \) button to select the “2.
ALARM LOG” line, then press the MENU button.
ø
The (ALARM LOG) menu appears.
@@@@@@<ALARM@LOG>@@@@011
@@@@@001@12-25@19:00
@@@@@002@11-25@23:00
@@@@@003@11-25@15:00
@@@@@004@10-25@08:00
@@@@@005@10-25@06:00
@@@@@006@09-25@20:00
@@@@@007@09-25@16:35
@@@@@008@09-25@10:52
@@@@@009@08-25@11:00
@@@@@010@08-25@10:30
ø
The number of alarm recordings, and the 10
most recent alarm recording times are displayed.
NOTE:
œ Continue pressing the SHIFT ] button to display
the next 10 alarm recordings entries. When the
number of alarm recording entries reaches 100, the
older ones are erased as new ones are memorized.
4 Press the MENU EXIT button, the normal screen is
displayed.
NOTE:
œ If the MENU RESET button is pressed while the
(ALARM LOG) menu is displayed, the displayed data is
erased. “A” will be erased from the digital display.
RD2QD/NA (DTL-4800 GB) Tue. Aug., 08/2000
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