Keysight u2722a - System:channel[:Count]

SYSTem Subsystem 11
Keysight U2722A/U2723A Programmer’s Reference 105
SYSTem:CHANnel[:COUNt]?
Syntax
SYSTem:CHANnel[:COUNt]?
This query returns the number of output channel.
Returned Query Format
<NR1>
Example
Th following query returns the number of output channels.
SYST:CHAN?
Typical Response: +3
See Also
SYSTem:CDEScription?