113
Tone Frequency & Durations Window
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
.
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
-60
to
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
-60
to
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
.
Guard Hold
FIGURE 134.
PTT Frequency Drop Down Menu
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