Filter
Top Products
- 16 -
Poor Color
Picture
Quality
Dim Image
Snowy
Image
(cont’d.)
Horizontal
Scan Lines,
Rolling Up or
Down
Negative,
scrambled,
or faded
image
Iris closed
Noisy Power
Supply
Ground
Looping on
video cable
Low voltage
Increase iris level on
lens
Check connections.
Relocate or replace
power supply.
Check the coax cable
shield is not touching
ground, e.g. at
couplings.
An electrically isolated
circuit board or isolation
transformer may be
required.
Check voltage at input
power cable.
Must be >12VDC/VAC.