○
Day
⇔
Night switching threshold adjustment method
The procedure for adjustment DAY
→
NIGHT and NIGHT
→
DAY is as follows.
(1) Set to DAY
→
NIGHT=42dB(maximum), NIGHT
→
DAY=2dB(minimum) and
DELAY CTL=001.
(2) Adjust the diaphragm and lighting of the lens, and reproduce the brightness which
you would like to switch to night mode while watching the monitor.
(3) Make lower the setting value of DAY
→
NIGHT slowly by 1 dB at a time until switching
from the day mode state to the night mode.
(4) After switching to the night mode, when hunting, in which day mode and night mode
are switched continuously, does not occur, proceed to step (6). When hunting occurs,
proceed to step (5).
(5) It may not be possible to respond by switching using the threshold of DAY
→
NIGHT
NG
and NIGHT
→
DAY. Please change the subject, lighting / illuminace, or switch by
external input. In that case, readjust from step (1).
(6) Adjust the diaphragm and lighting of the lens, and reproduce the brightness which
OK
you would like to switch to day mode while watching the monitor.
(7) Make lower the setting value of NIGHT
→
DAY slowly by 1 dB at a time until switching
from the day mode state to the night mode.
(8) When hunting does not occur, proceed to step (11). When hunting occurs,
proceed to step (9).
(9) Make lower the setting value of NIGHT
→
DAY until hunting stops.
(10) Proceed to step (5) when you are not satisfied with the adjustment result
of NIGHT
→
DAY.
OK
(11) Change the diaphragm and lighting of the lens and check that the switching of Day /
Night is done without problems.
(12) When there is no problem with the above setting, the adjustment process is
NG
completed. Please save the setting.
NG
OK
(11)Operation Check
(12)Adjustment complete
(10) Adjustment result
and the control method
(5)Review the environment
(4)Hunting
(1)Initial setting
(3)DAY
→
NIGHT Setting
Environment Setting
(2)DAY
→
NIGHT adjustment
(8)Hunting
Environment Setting
(6)NIGHT
→
DAY adjustment
(7)NIGHT
→
DAY Setting
(9)NIGHT
→
DAY Re-setting
35