Canon SX50 - REALiS SXGA+ LCOS Projector Command Reference Manual page 30

Commands
BRI
Function Brightness setting
Parameter Setting value (-20 to 20)
The RANGE command can be used to obtain the parameter range that can be set at that time.
Response An 'i:OK' is returned after setting is successful.
Description This sets the screen brightness.
(1) This command is identical to the Brightness function in the Image adj. menu.
(2) This sets the currently selected input signal and image mode.
(3) The GET command can be used to retrieve the current brightness.
Example Setting
> BRI=10
< i:OK
Reference
> GET BRI or ?BRI
< g:BRI=10
Obtain settable parameter range (Min, Max)
> RANGE BRI
< r:BRI=N,-20,20
*Commands are indicated by ">", and responses are indicated by "<".
Supported Command States
Power supply
OFF ON PM D-RGB A-RGB1 A-RGB2
× ○ × ○ ○
※If a state is not supported, "INVALID_MODE" or "NOT_POWER_SUPPLIED" is returned with the Err response.
※When the power supply state is in the process of switching, an "i:BUSY" reply may be sent.
Input
Comp Video S-Video
○ ○ ○ ○
This sets the brightness to -10.
This retrieves the brightness.
Mode
None Remote Local
○ ○ ×
Mode Control Setting
Referenc
Number
e