Owner`s manual
page 3 RITRON, INC. 1-800-USA-1-USA
(1-800-872-1872)
Have questions? Call
800-USA-1-USA
(800-872-1872) or visit our website at www.ritron.com
1. Place the radio into Program/ Readout Mode by following the instructions in FIG-7 at
left. A "P" will appear on the LED display as you enter program mode.
2. Release the Push-to-talk button after the beeping has stopped. The radio will
display a series of six characters for Radio Identication, with each character
separated by a hyphen. The 1st two characters indicate the model number, the 3rd
and 4th characters indicate the radio type, and the 5th and 6th characters indicate
the rmware revision.
In this example: Model: 27
Radio Type: 16
Firmware Revision: 01
NOTE: Radio models wih rmware revisions prior to 16.01
do not display the Radio
Identication sequence.
3. After the Radio Identication has been displayed the digit 1 will appear, followed by
a hyphen, and the radio will emit a triple beep indicating that the radio is in program
mode and channel 1 is selected.
4. Press the Channel Selector button to select the channel to be read out. The
channel number will appear briey on the display as you step through the channels.
When you have settled on a channel a hyphen will appear across the center of the
display to indicate that it is ready for readout..
5. Press and release the On/Volume Up button. The radio will begin to display a series
of four digits; with each digit seperated by a hyphen.
The 1st and 2nd digits indicate the frequency code;
see Table 1 on page 11.
The 3rd and 4th digits indicate the tone code;
see Table 2 on page 12.
If a 5th digit is diplayed, the channel has been programmed for DQC and the last
three digits indicate the DQC code; see Table 3 on page 12.
6. If the channel is PC-programmed for any frequency not listed in
Table 1 on page
11, an error tone will sound and an "E" will appear on the display.
7. To readout another channel, repeat steps 4 through 6.
8. Turn the radio
off and then on again—the radio is now ready to use.
HOW TO READOUT FIELD PROGRAMMABLE FREQUENCY & TONE CODES
In our example channel 3 of a UHF radio is programmed to operate on the "Brown Dot" frequency of 464.500
MHz (Frequency code "04") with 100.0 Hz tone (Tone code "12").
page 9
CHANNEL RADIO IDENTIFICATION
FREQUENCY &
TONE CODES
If more than 5 digits
are displayed, refer to
page 15.
!
IMPORTANT
To talk to other users in your group, all radios
must be set to the same frequency and
Interference Eliminator codes.
FIG-7: HOW TO PLACE THE RADIO IN
PROGRAM/READOUT MODE
3. PRESS & RELEASE
-THE RADIO WILL
START BEEPING
RAPIDLY.
1. PRESS & HOLD UNTIL
THE "RADIO OFF"
TONES ARE HEARD,
THEN RELEASE.
2. PRESS & HOLD
THE PUSH-TO-
TALK BUTTON.
4. CONTINUE HOLDING THE PUSH-TO-
TALK BUTTON UNTIL THE BEEPING
STOPS, THEN RELEASE IT.
5. THE RADIO WILL EMIT A TRIPLE
TONE: IT IS NOW IN PROGRAM/
READOUT MODE.
RADIO PROGRAMMING