System Requirements:
A PC running
Windows 7 (32 or 64 bit),
Windows 8 or 8.1 (full version), Windows 10.

Tech Support:
303-586-6510
Tech Support Hours:
Monday-Friday
8:00AM - 5:30PM
Mountain Time


Saturday
9:00AM - 1:00PM
Mountain Time
Email:
 
Sales:
Phone: 800-921-4834
Fax: 770-216-1836
Sales Hours:
Monday-Friday
8:00AM - 5:00PM
Mountain Time
Email Sales:
 
RT Systems
510 Compton St, #105
Broomfield, CO 80020
 
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Knowledge Base:  

Knowledge Base : IC-2820
Page of 1
Communication Timeout Error - IC-2820

If you are using the orange colored USB-RTS05 cable, this error may indicate that the radio's data port has been disabled. Plugging a cable into the radio's speaker jacks will disable the data port.