User's Manual
52
GS10/GS15, Operation
Signal
strength
LED
GFU19 (US),
GFU25 (CAN)
with CDMA
MultiTech
MTMMC-C
red device is on, not registered on
the network.
flashing red device is on, registered on the
network.
off download mode or device is off.
GFU24 with
Siemens
MC75
red call is in progress.
red: long flash, long
break
no SIM card inserted, no PIN
entered or network search,
user authentication or
network login in progress.
red: short flash, long
break
logged on to network, no call
in progress.
red: flashing red, long
break
GPRS PDP context activated.
red: long flash, short
break
Packet switched data transfer
is in progress.
off device is off.
IF the on is THEN