2 – 12
Remote Operation
Reset the Instrument
*RST
Reset the SR470 to default configuration. This is equivalent to press-
ing [Shift][Defaults] from the front panel or power cycling the unit
with the [Reset] key depressed. See
§
1.2.8 for a list of the factory
default settings.
*RST
CR
Example:
Recall Instrument Settings
*SAV
i
Save instrument settings to location
i
. The parameter
i
may range
from 0 to 9. Locations 1 to 9 are for arbitrary use. Location 0 is
reserved for current instrument settings. This location is overwritten
after each key press, and restored upon power-on. See
§
1.2.5.4 for a
list of the settings that are saved.
*SAV 3
CR
Example:
Save current instruments settings to location 3.
Service Request Enable
*SRE(?)
{
i
}
Set (query) the Service Request Enable register
{
to
i
}
. Bits set in
this register cause the SR470 to generate a service request when the
corresponding bit is set in the STB register.
Status Byte
*STB?
Query the standard IEEE 488.2 serial poll status byte. The bits in the
STB register have the following meaning:
Bit
Meaning
0
Shutter disconnected
1
Shutter fault
2
INSR BIT: Unmasked Instrument Status Bit
3
Reserved
4
MAV - message available
5
ESB-ESR summary bit
6
MSS - master summary bit
7
Reserved
*STB?
CR
Example:
114
A return of ‘114’ indicates that Shutter fault, MAV, ESB, and MSS are
set. MAV indicates that a message is available in the output queue.
ESB indicates that an enabled bit in ESR is set. MSS reflects the fact
that at least one of the enabled summary bits is set.
SR470 Shutter Controller
