USEr’S MANUAL
Pro+ 400
Pro+ 500
Pro+ 700
d
c b
a
d
c b a
a
b
c
d
14
6. COnTROls and IndICaTORs
6.1. FRONT PANEL
a
Main Switch
To Control on/off the UPS when Utility is normal.
To enable “DC-Start” Function when Utility fails. (To enable DC Start properly, you are recommended to connect <80%
output load with the UPS only.)
b
Line LED.
Green LED remains standstill when Utility is normal.
c
Inverter LED.
Red LED flashes every 5 seconds when Utility failure.
d
Charge yellow LED.
