Instruction Manual
628 GNSS RTK Expansion Pack 5
Wireless Modem Operation
The following steps are required to get the GSM modem
ready to use:
Set up a wireless service data account for the GSM
modem and receive a SIM (Subscriber Identication
Module) card.
Install the SIM card in the wireless modem, and seal
the card portal.
Install the expansion pack and antennas on the
handheld.
Run the setup program to congure the modem.
CAUTION: Damage to the RTK GPS expansion pack can
occur if it is installed or removed while the handheld in
running or in suspend. Ensure the handheld has been
completely powered o before installing or removing the
RTK GPS Expansion Pack. This is done by holding the
power buon down until the power menu pops up and
selecting the Power O option.
GSM Account Set Up and Activation Process
Follow these steps to set up a wireless account:
1. Contact your wireless provider to obtain an account
and SIM card. Since you already have the equipment,
and all you need is to set up an account, it is best to
work directly with the wireless provider, i.e.; AT&T,
T-Mobile, Vodafone, etc.
!