e
f
g
h
i
j
k
5. DESCRIPTION
a
: Power LED (red). Lights up at voltage failures (or
when voltage goes beyond normal limits) at the UPS
output
b
: ON-line operation LED (green). Lights up when
mains voltage is within normal limits
c
: UPS switch-on button
d
: Charge LED (yellow). Lights up when the battery
is charging
e
O
ff
-line operation indicator
f
Greeting
g
Battery capacity indicator
h
Load indicator
i
Output voltage
j
Input voltage or frequency in o
ff
-line
operation mode
k
LCD display
Pro+ 600/800
Pro+ 400
a
b
c
d
b
c
d
a
ENG
20
Uninterruptible
Power Supply
UPS with LCD display
Pro+ 650 (LCD, USB)/ 850 (LCD, USB)/
1000 (LCD, USB)/ 1500 (LCD, USB)
