4.3 Switch Description (VKC-1327A/W3, VKC-1327AW3-922, VKC-1327AW3-650
and VKC-1327A-IR/W3)
SW Name
ON (down)
1
INT / LL
Int. sync. mode:
2
ELC / ALC
ELC: Elec. shutter mode
3
BLC
Back light compensation ON
4
AGC TB
AGC Turbo ON
Max. AGC is 34dB
5
FL
Flickerless ON
Shutter is fixed to /0sec.
6
Sharp
Image is sharpened
7
Day-Night
IR cut filter OUT (automatic)
8
IR mode
High threshold to exit Night mode
Notes:
*) Flickerless mode is useful in areas where AC mains is 50Hz and TV system is NTSC such like Japan or AC
is 60Hz and TV system is PAL to reduce the flicker under the florescent lights. When FL is set to ON, the low light
sensitivity is down about 30%.
*) IR mode ON reduces the possible iteration of filter switch (repeated IN-and-OUT) when sun rises or sets or in a
unexpected cases. (applicable to VKC-37 series only)
OFF (up)
Line-Lock mode:
ALC: Auto iris lens mode
Back light compensation OFF
AGC Turbo OFF
Max. AGC is 8dB
Flickerless OFF
(at 50Hz mains frequency)
Image is natural
IR cut filter ON (for colour operation)
Low threshold to exit Night mode
0
Note
*
*