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18
Basic Functions
Sending Alarms
•When motion is detected, the Alarm Replay
command is issued via the serial command (VISCA)
communication line.
• 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) -- (0, 1, 2, 3)
p: Frame set Start Horizontal Position -- (00 to 0B)
q: Frame set Start Vertical Position -- (00 to 07)
r: Frame set End Horizontal Position -- (01 to 0C)
s: Frame set End Vertical Position -- (01 to 08)
•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)
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
The Display mode function has two modes. One is
the Frame Mode, in which the detected frame is
displayed on the screen, and the other is the Block
Mode in which the block where the motion is
detected is displayed from among the set of 12
(horizontally) × 8 (vertically) blocks. The Frame
Mode is normally used. For examination and
verification when the camera is installed, display
blocks using the Block Mode. In the Block Mode, the
Alarm Reply command is not sent.
8x 01 04 1C 0m 0n 0p 0q 0r 0s FF
m: Display Mode on/off (bit0: Frame, bit1:
Block)
n: Detection Frame set on/off (bit0:Frame0,
bit1:Frame1, bit2:Frame2, bit3:Frame3)
-- (0 to F)
pq: Threshold -- (00 to FF)
rs: Interval time set -- (00 to FF)
(When pq and rs are 0, the command is received, but
the setting is disabled.)
Alarm interval
Interval
Motion is
detected
in frame 1.
Interval Interval
Alarm issue Alarm issue Alarm issue Alarm issue
Motion is
detected
in frame 1.
Motion is
detected
in frame 1.
Motion is
detected
in frame 1.
Motion is
detected
in frame 1.
Motion is
detected
in frame 2.
Motion is
detected
in frame 3.
Motion is
detected
in frame 3.
•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.