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6
OPERATION
6.1
LTC 2372 & LTC 2375 Operation
The LTC 2372 and LTC 2375 are operational as soon as power
is connected. No further action is required.
6.2
LTC 2376 & LTC 2377 Operation
Normal operating selections are made using the eight front
panel keys, and functions are selected with a single key press.
The LTC 2376 and LTC 2377 may also be controlled remotely
by a user-provided dry contact control or by a host computer
using a simple RS-232 command set.
6.2.1
Basic Operation
The basic operation includes selecting the sequence, follow,
VCR, or quad modes and selecting individual camera channels
for hold viewing. When the unit is in the operational mode
(that is, not in the programming mode), six keys (
SEQ, 1, 2, 3,
4,
) perform the functions. The four keys labeled
1, 2, 3,
and
4
select video channels 1 through 4, respectively, and the
key selects the quad display.
6.2.2
VCR
The VCR key selects the input from the VCR or a DVR to be
displayed on the system monitor.
You can view the recorded VCR/DVR images in a quad format
or any quad can be zoomed to full-screen.
To view recorded VCR/DVR images:
1. Insert a recorded tape in the VCR and press the
PLAY
key,
or select a playback time from the DVR.
2. Press the
VCR
key on the Quad unit to display the playback
video from the VCR/DVR. The LED above the
VCR
key
remains illuminated as long as this function is selected.
3. The VCR/DVR images can be viewed as recorded in a quad
format or any quad can be zoomed to full-screen.
• Press the
1
key. The upper left hand quad is zoomed to
full-screen.
• Press the
2
key. The upper right hand quad is zoomed to
full-screen.
• Press the
3
key. The lower left hand quad is zoomed to
full-screen.
• Press the
4
key. The lower right hand quad is zoomed to
full-screen.
• Press the
key. Display VCR/DVR video as recorded.
If the monitor screen does not display a picture when the
VCR
key is pressed, check to make sure that the VCR/DVR is plugged
in and turned on and that the device is in the PLAYBACK
mode.
6.2.3
Sequence Switching
The
SEQ
key selects the sequential switching function. The
sequencing list and dwell times can be customized (refer to
Section 5, Programming
).
•
Press the
SEQ
key to start video sequencing. The cameras
are displayed in the order 1-2-3-4-QUAD-1-2-etc. The
quad screen is displayed after camera 4. Each camera
remains on-screen for the programmed dwell period, unless
its dwell was set at
SKIP
. In this case, it is deleted from the
sequencing stack.
6.2.4
Manual Switching
•
Press the
1, 2, 3,
or
4
key to select manual switching. The
selected quadrants will be displayed in full-screen mode.
The camera title of the selected quadrant is displayed in the
center of the monitor screen.
If the Quad unit is operating in the VCR or programming
mode, you cannot use manual switch mode.
VidQuad
LTC 2372 & LTC 2375 Front Panel
VidQuad
MODE
DISPLAY
VCR
Menu
Seq
1
2
3
4
V
V
V
ALM
( )
V
LTC 2376 & LTC 2377 Front Panel
