Tone Frequency & Durations Window

Guard Hold

PTT Frequency Drop Down Menu

The PTT Frequency drop down menu, shown in Figure 134, identifies the PTT frequency, in Hz, the console uses.

Available selections for this field are: 2100, 2175, 2300, 2325, 2400, 2600, 2800, 2850 and 2970Hz.

FIGURE 134. PTT Frequency Drop Down Menu

Guard Tone Duration Field

The Guard Tone Duration field identifies the amount of time, in ms, the guard tone plays before the function tone.

The range for this field is 0 to 999ms.

Guard Tone Magnitude Field

The Guard Tone Magnitude field identifies the level, in dBm, of the guard tone.

The range for this field is -60to 12dB.

Hold Tone Magnitude Field

The Hold Tone Magnitude field identifies the level, in dBm, of the hold tone summed with TX audio to keep the radio in a transmit state.

The range for this field is -60to 12dB.

Hold Tone Hangtime Field

The Hold Tone Hangtime field identifies the amount of time, in ms, the hold tone continues after the release of the PTT button. Pressing the PTT button again during this hangtime continues the transmission without resending the guard and function tones.

The range for this field is 0 to 999ms.

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