Speco Technologies HT-7248FFI - Manual (Page 16)

3. SYNC (INT / Line Lock)
INT : When line lock is not required.
It synchronize the vertical interval sync pulse of your
camera with other equipment to reduce the effect of
picture roll on the monitor.
L/L : Adjust the vertical phase (VPH) from 000 ~ 359
Line Lock is only available with 24VAC power.
4. MOTION
Detects moving objects on screen and displays MOTION
DETECTED along with the number of movements counted.
Allows you to select the area on screen you want to observe.
AREA SEL = Select a motion detection grid (top left, top
right, bottom left, bottom right) to modify.
AREA STATE = Activate or deactivate the selected grid.
TOP/DOWN/ = Press LEFT or RIGHT menu control left or
LEFT/RIGHT right to alter the dimensions of the selected
grid.
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