User's Manual

60 Installation Manual
Problem Remedy
Wireless
communication
is disrupted or
cannot be
established
1. Try moving the terminal to
a more open operating
area. An enclosed area
degrades the quality of
wireless reception and
transmission.
2. Verify that the SIM card
being used for wireless
communication is installed
correctly and is not
damaged or malfunctioning.
3. In general, the angle of
operation does not affect
terminal performance.
However, for optimal
usage, hold the terminal at
an angle not exceeding 30
o
.
4. If the problem persists,
contact an authorized
service representative.
Operation with
a peripheral
device is not
successful
1. Verify that the peripheral
device is properly
connected to the terminal.
2. Try to verify whether the
peripheral device is
functioning properly.
3. Replace the cable or the
adapter cable being used
with the peripheral device.
4. If the problem persists,
contact an authorized
service representative.