SPECIAL APPLICATIONS
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HOW TO FIELD PROGRAM TWO-TONE ENCODE CODES
THIS FEATURE AVAILABLE ON JMX-144D / 444D / 446D MODELS ONLY
For special applications, it is possible to use your Ritron portable radio or
base station for remote control applications; such as opening or closing a gate
remotely (see Ritron GateGuard at www.ritron.com/pdf/gg_07.pdf). This
application requires you to program your radio for 2-Tone encode operation.
The user can field program each channel with one of the 9 pre-set 2-Tone
Codes specified in Table 5. These codes correspond to field programmable
2-Tone Codes available in the RITRON 6-Series OUTPOST Callbox. In our
example we will program a UHF radio to operate with 2-Tone Code #94.
Important Note:
You can ADD a 2-Tone Code to a channel if the Frequency Code and Tone
Code are not changed. Changing the Frequency Code or Tone Code of a
channel will ERASE any 2-Tone Code programmed on that channel. You
must FIRST re-program the channel to the desired Frequency Code and Tone
Code and then SAVE the entry by pressing the On / Volume Up button, then
you may enter your 2-Tone Code, remember you must also SAVE this entry
by pressing the On / Volume Up button.
1. Refer to Table 5 to determine the 2 digit, 2-Tone Code(s) you wish to
program into each specific channel.
2. Follow the instructions in Fig 6, page 10 to place the radio in the
“Program/Readout Mode”.
3. Using the channel button and the LED display on the radio, select the
channel number you want to program a 2-Tone Code into.
4. Enter the 1
st
digit of the 2-Tone code by clicking the PTT
button until the program display shows the desired number.
Pause—the radio will sound a low tone and show a hyphen
across the display to indicate that it is ready to accept the
next digit.
5. Enter the 2
nd
digit of the 2-Tone code by clicking the PTT
button until the program display shows the desired number.
Pause—the radio sounds a low tone and will show a hyphen
across the display.
6. After you have entered both digits, press and release the On / Volume Up
button to SAVE the entry. The LED display will briefly show the channel
number you have just programmed and then a hyphen, the radio will
sound a triple beep to indicate that programming was successful
An ERROR tone will sound if you attempt to save an incorrect code, an
“E” will appear on the LED display. Check the digits you are attempting to
program and start over.
7. You may program each channel with the same or a different 2-Tone Code
by repeating steps 3-6.
8. Turn the radio OFF and then ON again for normal operation. See 2-Tone
ENCODE Operation for how to send the 2-Tone Code on your radio.
If more than 5 digits are displayed during readout, the radio has been
programmed for 2-Tone Encode. The frequency and tone codes will
be displayed, followed by a “C”, then the radio will display the 2-Tone
code; see Table 5. In this example a UHF radio was programmed to
operate on the “Brown Dot” Frequency Code 04 (464.500 MHz) with
Tone Code 12 (100.0 Hz) and 2-Tone encode Code 94.
Frequency Code Tone Code 2-Tone Code
2-TONE ENCODE OPERATION
To send a 2-Tone Code, select a channel that has been programmed for 2-
Tone encode. Push and hold the channel button until you hear the 2-Tone
Code being sent, then release the channel button.
TABLE 5: PROGRAMMABLE 2-TONE ENCODE CODES
Code No. Code No. Code No.
91 94 97
92 95 98
93 96 99
Readout
Se
uence
!
(21 Seiten)
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