Charging the Backup Batteries
P/N 7010-0935
2-13
• Green blinks – power within the acceptable range (6–28 V DC) is
present on this PWR port and is being used to power the receiver
and to charge the corresponding battery.
• Red blinks – the corresponding backup battery is being charged.
• Off – the receiver consumes power from internal backup batteries
or the receiver is turned off.
Refer to the corresponding software manual for details on checking
the power status via installed software.
Turning On/Off the Receiver
To turn on the receiver, press and hold the power button until the
LEDs briefly flash.
To turn off the receiver, press and hold the power key for more than
one and less than four seconds (until both the STAT and the REC
LEDs are off). This delay (about 1 second) prevents the receiver from
being turned off by mistake.
Charging the Backup Batteries
The charging circuitry of the iBEST system automatically charges the
backup batteries whenever the Net-G3A is plugged into an external
power source via any PWR connector. The receiver has to be on to
charge the batteries.
An approximately 8-hour charge cycle fully charges the batteries; the
batteries charge simultaneously. The batteries cannot be overcharged.
When fully charged, the iBEST system provides up to 25 hours of
emergency operation (approximate, at room temperature). If the
iBEST system detects the return of normal external voltages at any
time during emergency operation, then the system automatically uses
The iBEST system charges the backup batteries
when the input voltage is between +12 and +16
Vdc.
Net-G3A_OM_Book.book Page 13 Thursday, May 14, 2009 8:49 AM
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