Xantrex Watt Series Programmable DC Power Supply XG 850 Operating Manual page 150

Remote Operation
5-24
Multichannel commands are particularly useful for configuring groups of
devices that require identical configurations.
The SCPI Commands for these instructions are:
[:]<root command> <ALL|addr1>[,[ ]<addr2>][,[
]<addr3>][,...]:<command> <parameter>
For example:
sour 1, 2, 3, 7:volt 4.5
syst4,5,6:oper:enab 255
syst ALL:clear
output0:stat on
M370078-01