JDS Uniphase OBS-55, Operating Manual, Page: 81 / 95

JDSU OBS-55 31
7 R
EMOTE
C
ONTROL
Utility commands
Command
string Parameter type / Response type /
Unit / Info
*IDN?
Returns the unique identification of
the device.
Response type:
<STRING_RESPONSE_DATA>
e.g. JDSU Germany GmbH,
OBS-55/01,A-0106,V03.30
*OPC?
Returns “1” as soon as all operations
in progress have been completed.
:SYST
:PERM
:POW
Ensures the device is switched on
permanently i.e. that it does not switch
off after 20 minutes.
:DISP
:CONT
Sets the display contrast.
Parameter type:
<NR1>
Range: 0...15
(0: min, 15: max.)
:DISP
:CONT?
Returns the display contrast.
Range: 0...15
(0: min, 15: max.)
:SYST
:ERR?
Returns the oldest error in the error
queue.
Response type:
<NR1>,
<STRING_RESPONSE_DATA>
e.g. -100,“Command error”