Gamma, Projector user commands, Format – Canon SX 50 User Manual
Page 50: Parameter, Response, Description, Example, Commands supported, Environment
Projector User Commands
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GAMMA
Gamma adjustment
Format
GAMMA=<Gamma adjustment:Number>
Parameter
<Gamma adjustment:Number>
Other than SX7 Mark II
-4 to 4 each value
SX7 Mark II
-10 to 10 each value
The parameters which can be set at any given point in time can be obtained using the RANGE
command. For details, refer to the RANGE command.
Response
"i:OK" is returned if the parameter was set properly.
For details on other responses, refer to the "Error List".
Description
This performs the Gamma adjustment.
(1) For models other than SX7 Mark II: It can be executed when the projector is in both the remote mode and
power-on status at the same time.
For SX7 Mark II: It can be executed whenever the projector is in the power-on status.
(2) A “busy” response is given while the zoom or focus lens is being driven.
(Refer to the ZCONTDRV command and FCONTDRV command.)
(3) This command has the same function as the buttons listed in the table below.
Model
Menu
SX50
[Image adjustments] - [Gamma]
SX6, SX60, X600, SX7, X700,
SX7 Mark II
[Image adjustments] - [Gamma]
(4) This sets the currently selected input signal and image mode.
(5) The GET command can be used to retrieve the current gamma adjustment.
For details, refer to the GET command.
Example
Setting
> GAMMA=-1
This sets the gamma correction to –1.
< i:OK
Reference
> GET GAMMA or ?GAMMA
This retrieves the gamma adjustment.
< g:GAMMA=3
Obtain settable parameter range (Min, Max)
> RANGE GAMMA
< r:GAMMA=N, -4, 4
Any value from -4 to 4 can be set for the gamma.
* Commands are indicated by ">", and responses are indicated by "<".
Commands supported
This defines the environments that support the command (power supply state, input signal state).
SX50
01.00**
SX6
01.01**
SX60
01.01**
X600
01.01**
SX7
01.01**
X700
01.01**
SX7 Mark II
01.02**
O O O O O O O
Environment
This defines the environments that support the command (power supply state, input signal state).
Power
Input
Mode
Model
OFF ON PM
D-RGB A-RGB1 A-RGB2 COMP
Video S-Video D-Video SCART None Remote Local
Remarks
SX50 x
O
x O O
O
O O
O
- - O O x
SX6, SX60,
X600
x
O
x
O
O
O
O
O
O
O
O
O
O
x
SX7, X700
x
O
x
O
O
O
O
O
O
O
O
O
O
x
SX7 Mark II
x
O
x
O
O
O
O
O
O
O
O
O
O
O
* 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.
Setting