Receiver Problems
P/N 7010-0557 www.topconpositioning.com
5-7
The specified baud rate
is not compatible with
the baud rates the
modem supports.
The baud rate is the
rate at which the
receiver transmits
differential messages
to the modem and vice
versa.
• Change the baud rate to that which
your modem supports. See the
modem’s manual for baud rate support
information.
• See “Radio Configuration” on
page 2-30 for checking the current
baud rate and changing the baud rate.
The modem battery is
low.
• Attach an external power source to the
receiver. See “External Batteries” on
page 2-3.
• See “Powering the Receiver” on
page 2-2.
The distance between
Base and Rover is too
far.
• Close the distance between the Base
and Rover.
• Use repeaters to increase radio
coverage.
Problem
The receiver does not start data logging.
Causes Solutions
The receiver has no
free space for files.
• Download receiver files to a computer
(if needed) and delete files (see
“Downloading Files to a Computer” on
page 4-10 and “Deleting Files” on
page 4-13).
• Use the AFRM feature. See
“Automatic File Rotation Mode
(AFRM) parameters” on page 2-26.
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