page 3 RITRON, INC. 1-800-USA-1-USA (1-800-872-1872)
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1.Place the radio into Program/
Readout Mode by following the
instructions in FIG-6 at left. A
"
P
" will appear on the LED
display as you enter program
mode.
2.Using the
Channel
button and
the LED display on the front of
the radio, select the channel
number you wish to readout.
3.When you have settled on a
channel the display will show a
hyphen across the center to
indicate that it is ready for
readout.
4.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
first two digits indicate the
frequency code and the last
two digits the tone code;
see
Tables 1 and 2 on page 8.
RADIO PROGRAMMING
IMPORTANT
To talk to other users in your group, all
radios must be set to the same frequency
and Interference Eliminator codes.
FIG-6:
HOW TO PLACE THE RADIO IN
PROGRAM/READOUT MODE
CH
ON
OFF/HOLD
VOLUME
3. PRESS & RELEASE -
THE RADIO WILL
START BEEPING
RAPIDLY.
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.
1. PRESS & HOLD UNTIL
THE "RADIO OFF"
TONES ARE HEARD,
THEN RELEASE.
5. The LED display will briefly
show the channel number you
have just read out and the radio
will sound a triple beep.
6. To readout the same channel,
repeat step 4.
7. To readout another channel,
repeat steps 2 through 5.
8. Turn the radio
OFF
and then
ON
againthe radio is now ready
to use.
NOTE:
If the channel is PC-
programmed for any frequency
or tone not listed in Tables 1 and
2 on page 8, an error tone will
sound and an "E" will appear
on the display.
HOW TO READOUT FIELD PROGRAMMED 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").
CHANNEL
FREQUENCY
CODE
page
7
DIGIT
1
DIGIT
2
TONE
CODE
DIGIT
3
DIGIT
4
