Keysight Technologies 3458A Guide D'utilisation page 416

B GPIB Commands
REMOTE 722 !SETS REN LINE TRUE AND ADDRESSES DEVICE 22
The above line places the multimeter in the remote state.
SPOLL (Serial Poll)
The SPOLL command, like the STB? command (multimeter command set), returns
a number representing the set bits in the status register (status byte). The
returned number is the weighted sum of all set bits.
Syntax
P=SPOLL (722)
Status register bits
The bits and their corresponding weights are:
Bit number
0
1
2
3
4
5
6
7
Remarks
– If the SRQ line is set true when you send SPOLL, all bits in the status register
416
Decimal
weight
1
2
4
8
16
32
64
128
are cleared provided the condition that set. the bit(s) is no longer present. If
the SRQ line is false when you send SPOLL, the status register's contents are
not changed.
Description
Subprogram execution completed
Hi or lo limit exceeded
SRQ command executed
Power - on SRQ occurred
Ready for Instructions
Error (consult error register)
Service requested
Data available
Keysight 3458A User's Guide