No. 20S071-01 
 
 
 
 
 
 
STC-HD213DV / STC-HD213DV-CS / STC-HD213SDI / STC-HD213SDI-CS / 
STC-HD213DVN / STC-HD213DVN-CS / STC-HD213SDIN / STC-HD213SDIN-CS 
Product Specifications and User
21/94 
 
  Menu on screen with External Switch 
Page 1 
 
 
 
1) ALC 
Selects  enable  /  disable  for  auto  exposing  and  auto  gain  (AGC)  operation  from  below  two  selections. 
(Default: ON). 
 
a) ON 
The auto exposing and auto gain (AGC) operation. 
 
The  brightness  of  image  will  be  maintaining  to  keep  target  brightness  of  image  (with LUMINANCE 
setting) with auto exposing and auto gain functions. 
 
b) OFF 
The manual exposing and manual gain operation 
“AGC” and “AEE” switch to “OFF (FIXED)” then adjusts with “GAIN” and “SHUTTER”. 
 
2) LUMINANCE   
Sets the target Brightness for auto exposing and auto gain operation. 
The brightness of image will be maintaining with auto exposing and/or auto gain functions. 
Setting range: 0 (Dark) to 255 (Bright) 
Default: 110 
 
3) AGC   
Selects gain operation from below to gain operations. (Default: AUTO) 
This setting is valid when selecting “ON” at “ALC”. 
 
a) AUTO 
The  brightness  of  image  will  be  maintaining  to  keep  target  brightness  of  image  (with LUMINANCE 
setting) with auto gain function. 
 
b) FIXED 
The fixed gain operation 
The fixed gain is adjustable with “GAIN”. 
 
   
PAGE 1 2 3 4 5 6 
  ALC    ON 
LUMINANCE  110 
AGC    ON 
AEE    ON 
GAIN 
SHUTTER 
GAMMA  MANUAL