JDS Uniphase OBS-55 Operating Manual page 81

Utility commands
Command
string
*IDN?
*OPC?
:SYST
:PERM
:POW
:DISP
:CONT
:DISP
:CONT?
:SYST
:ERR?
JDSU
Parameter type / Response type /
Unit / Info
Returns the unique identification of
the device.
Response type:
<STRING_RESPONSE_DATA>
e.g. JDSU Germany GmbH,
OBS-55/01,A-0106,V03.30
Returns "1" as soon as all operations
in progress have been completed.
Ensures the device is switched on
permanently i.e. that it does not switch
off after 20 minutes.
Sets the display contrast.
Parameter type: <NR1>
Range: 0...15
(0: min, 15: max.)
Returns the display contrast.
Range: 0...15
(0: min, 15: max.)
Returns the oldest error in the error
queue.
Response type: <NR1>,
<STRING_RESPONSE_DATA>
e.g. -100,"Command error"
OBS-55
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