Leica Geosystems GPS System 500 - Technical Reference Manual - Manual (Page 79)

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4. TR500 Terminal Overview Technical Reference Manual-4.0.0en
Radio Status
Radio Transmitting (blinks)
Radio Receiving (blinks)
If two radio modems are being used
simultaneaously, the icon will alter-
nate between each modem.
GSM Status
The GSM phone is connected
to the network.
If this icon blinks, the GSM phone is
either trying to connect to or discon-
nect from the network.
Memory Status
Internal Memory selected
PC-Card selected
Safe to remove PC-Card
Memory level Indicator. Has 12
levels between:
Memory Empty and
Memory Full