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Sending Alarms
• When motion is detected, the Alarm Replay
command is issued via the serial command (VISCA)
communication line.
Alarm issue
Alarm interval
Motion is
detected
in frame 1.
Setting Commands
• MD On/Off
The Display mode is selected by the Function Set
command and frames are set by the Frame Set
command. By sending an MD On command, the
frame is displayed when motion is detected in the set
frame. The Alarm Reply command is set via the
serial command (VISCA) communication line.
8x 01 04 1B 02 FF --- On
8x 01 04 1B 03 FF --- Off
• Function Set
Select the detected frame, and set the Threshold
Level and the Interval Time.
8x 01 04 1C 0m 0n 0p 0q 0r 0s FF
m: Display Mode
n: Detection Frame set on/off (bit0:Frame0,
bit1:Frame1, bit2:Frame2, bit3:Frame3)
pq: Threshold
rs: Interval time set
(When pq and rs are 0, the command is received, but
the setting is disabled.)
Alarm issue
Interval
Motion is
Motion is
Motion is
detected
detected
detected
in frame 1.
in frame 1.
in frame 1.
on/off (bit0: Frame)
-- (0 to F)
-- (00 to FF)
-- (00 to FF)
• When multiple motions are detected or motion is
detected in another frame within the set interval
following the original time the alarm was issued,
another alarm command is not issued.
• When motion is detected after the interval time
elapsed, the alarm is issued again.
Alarm issue
Interval
Motion is
Motion is
detected
detected
in frame 1.
in frame 2.
• Frame Set
You can set up to four frames by assigning the
starting and terminating points.
Note
Set a terminating point higher vertically and
horizontally than the starting point. If you set the
wrong value, the command yields an error.
8x 01 04 1D 0m 0p 0q 0r 0s FF
m: Select Detection Frame (0: Frame0, 1: Frame1, 2:
Frame2, 3: Frame3)
p: Frame set Start Horizontal Position
q: Frame set Start Vertical Position
r: Frame set End Horizontal Position
s: Frame set End Vertical Position
• Alarm Reply
When motion is detected in the set frame, the camera
issues this command. This command includes the
information on the number of the detected frame.
y0 07 04 1B 0p FF
p: Frame Number (bit0: Frame0, bit1: Frame1, bit2:
Frame2, bit3: Frame3)
Basic Functions
Alarm issue
Interval
Motion is
Motion is
detected
detected
in frame 3.
in frame 3.
-- (0, 1, 2, 3)
-- (00 to 0B)
-- (00 to 07)
-- (01 to 0C)
-- (01 to 08)
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