User's Manual

User Manual Version 1.1.0 August 23, 2005 Page 14
©Avante International Technology, Inc.
4.2.2.2.1 Switch
SW ON/OFF Connects 120VAC to Power Supply, providing power to the unit.
4.2.2.2.2 Pushbuttons
4.2.2.2.3 Microcontroller Board Jumper Settings
5. TROUBLESHOOTING
For any problems (reduced communication distances, errors or failures), check the following list:
• Power at the outlet source.
• Power supply cable not properly plugged in to the power supply or loose.
• Serial interface cable not plugged in or loose.
• Serial interface cable, power supply cord or antenna cable are too close to the antenna.
• Interference to the antenna from an external source.
• Antenna mounted on or too close to a metal environment.