Bluetooth Problems
P/N 7010-0557 www.topconpositioning.com
5-11
Error Message
Open COM# port failed: Access is denied.
Causes Solution
Another application
uses the computer port
dedicated for
connection
• Close the application, then re-connect.
• Connect the receiver via another,
unused computer port.
Problem
After searching for available devices, none are discovered.
Causes Solution
The receiver is not
receiving power.
• Check that the receiver is getting
power and is turned on.
• Check that the power cable is attached
to the port marked “PWR”.
• Unplug the cable, then securely and
properly reconnect it to the receiver.
• If the power cable is damaged, contact
your Dealer to purchase a new cable.
The receiver’s Slot 3 is
turned off.
1. Connect your receiver and a
computer using an RS232 cable (see
“Establishing an RS232 Cable
Connection” on page 2-13).
2. Click ConfigurationReceiver
General.
3. In the Turn on/off Slots area, enable
the Slot 3 (B) check box.
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