Programming Guide – 70
*WAI Command
Syntax
*WAI
Function
Prevents the attenuator from executing any further commands or queries until all
pending operations have been completed.
Example
:INP:ATT 10;WAI;INP:OFF? prevents the attenuator from reading the offset until
it has completed setting the attenuation to 10 dB.
DISPlay Commands
:DISPlay:BRIGhtness
Syntax
:DISPlay:BRIGhtness<space><numeric value> where 0 ≤ <numeric value> ≤ 1
Function
Sets the brightness of the LCD display. Because the display brightness can only
be set to 1, the numeric value is rounded to 1. This command is implemented
only to maintain compatibility with the HP 8156A attenuator.
Example
:DISP:BRIG 1.0
:DISPlay:BRIGhtness?
Syntax
:DISPlay:BRIGhtness?
Function
Returns the brightness setting for the display.
Example
:DISP:BRIG 0.5;BRIG? returns 1 in all cases.
:DISPlay:ENABle
Syntax
:DISPlay:ENABle <boolean>
Function
This command enables or disables a display on the attenuator. However,
because the attenuator display cannot be turned off, the command has no
effect. It is implemented only to maintain compatibility with the HP 8156A
attenuator.
Example
:DISP:ENAB 1
:DISPlay:ENABle?
Syntax
:DISPlay:ENABle?
Function
Returns the current state of the display.
Example
:DISP:ENAB 0;ENAB? returns 1 in all cases.
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