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Frequency Decoding
Frequency Decoding
The IP-223 is factory tuned to the frequencies shown in Table 11. The detection frequencies cannot be changed as they are
coded into the software. However, any actual function or output can be made to work with any existing programmed
frequency. Please consult the factory for special requirements for frequency selections.
Guard tone/PTT Tone: 2175 Hz
MON Function Tone: 2050 Hz
Frequency Select Function Tones (where used)
TABLE 11. Factory Set Frequencies
F1: 1950 Hz F5: 1550 Hz F9: 1150 Hz F13: 750 Hz
F2: 1850 Hz F6: 1450 Hz F10: 1050 Hz F14: 650 Hz
F3: 1750 Hz F7: 1350 Hz F11: 950 Hz F15: 550 Hz
F4: 1650 Hz F8: 1250 Hz F12: 850 Hz F16: 450 Hz
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