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:  

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DTMF tones in DR-135, DR-235 and DR-435 radios
It appears that Alinco ignored conventional labeling for the tones. Let's say that convention is 0 1 2 3 4 5 6 7 8 9 A B C D *(E) #(F). Each of these is associated with a hex value. Now for the *
A tone is heard by the receiving station at the beginning of each of my transmissions.

The Internet Connection feature of the radio is turned on. To turn it off press and release the left Vol knob. This will be the lower button on the left which is often mistaken as the one used fo
APRS SSID (Station identifier)
In the Programmer for the radios with APRS, you will find reference to SSID along with Callsign on the APRS tab. It took me a while to figure out what this field was for and since this information is