First Virtual Communications PS1010-3A - Manual (Page 7)

IBBI Electronics 7
5.4.2 Measuring voltages at external
sources
• Put VM/Vout switch [(10)] to VM position. VM
LED indicator [(4)] will light up
• Connect wires as shown below(VM terminal and
the GND of Vout terminals)
• Value will be displayed [(2)].
5.5 Viewing firmware version
• Switch OFF the PS1010 [(1)]
• Put VM/Vout switch [(10)] to VM position
• Press and hold the C-SET button