Line Agc; Control Of The Video Amplifier - Monacor SECURITY TVCCD-700COL Bedienungsanleitung

whites are not overmodulated and the dark sections
GB
of the picture still show sufficient contrast.
Note: The option "WDR" is not available if a value
≤
was adjusted in the submenu "ALC" under
/ s
1
125
"SHUTTER".
If "WDR>" was selected, go to the "WDR" sub-
menu by pressing the key :
AREA
LEVEL
RETURN
To select the functions, use the keys
Via the function "AREA
ing areas can be defined. After pressing the key , a
grid of 48 squares is laid on the camera picture. The
square in the top left corner will flash. With the keys
, select the preceding square and with the
keys , the following square. By shortly pressing
the key , switch between grey representation
(dynamic range is increased in this section) or trans-
parent representation (dynamic range remains un-
30
** WDR **
SET>
————+———
and
SET>" the correspond-
changed) of the selected (flashing) square. When all
areas have been adjusted, return to the "WDR" sub-
menu by pressing the key
Via the parameter "LEVEL" adjust the grade of the
dynamic change with the keys
to the right, the dynamic range will be increased, by
moving to the left, the dynamic range will be reduced.
To return to the main menu, select the function
"RETURN" and confirm with the key .
8.6 Line AGC – control of the video amplifier
In case of poor illumination, the video signal gets
weaker. With the automatic gain control (AGC)
switched on, the signal is amplified accordingly (up
to 18 dB) so that the light sensitivity is increased. As
.
by increasing amplification also the noise will in-
crease, the camera will for the time being open the iris
with decreasing illumination before the amplification
will be increased.
With the menu item "AGC" selected, use the key
or to switch the gain control on (= ON>) or
OFF.
If "ON>" is selected, call the "AGC" submenu by
pressing the key .
for a longer time (> 2 s).
and . By moving