28
Poor
Picture
Snowy
Image
(cont’d.)
Horizontal
Scan Lines,
Rolling Up
or Down
Negative,
scrambled,
or faded
image
Noisy Power
Supply
Ground Looping on
video cable
Low voltage
Check connections.
Relocate or replace
the power supply.
Check the coax cable
shield is not touching
ground, e.g. at
couplings.
Check video polarity.
Check voltage at the
input power cable.
Must be >10.5V dc or
>12V ac.
Содержание EX49
Страница 11: ...5 FIGURE 1 1 Dome Removal Camera Base Rotation Retaining Ring Dome Set Screws 3 ...
Страница 13: ...7 Power IN Power OUT FIGURE 2 1 12VDC or 24VAC Electrically Isolated Power Board ...
Страница 18: ...12 FIGURE 3 1 2 EX47 Camera Base to Adaptor Plate Mounting ...
Страница 19: ...13 FIGURE 3 1 3 EX49 Camera Base Mounting ...
Страница 22: ...16 FIGURE 4 1 Camera Lens Directional Alignment ...
Страница 35: ...29 7 MOUNTING HOLE DIAGRAM ...
Страница 37: ...NOTE ...
Страница 38: ...NOTE ...