Aeroflex ATB-7300, Руководство по эксплуатации, Страница: 43 / 92

Test Set Operation
Subject to Export Control, see Cover Page for details.
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Pu lse MOD data field: (0 to 99%)
Displays or sets the Modulation level of the SELCAL P1/P2 Pulses and Test Tone
Puls e.
Ini ti ate bu tton:
Initiates the SELCAL pulse chirp. The button is disabled for the duration of the
SELCAL pulse chirp.
Test Tone_Ti ming button:
Pops up a T one Settings GUI to provide for setting the P1 and P2 timing values and
Test Tone settings .
Fig. 2-31 VHF Gen SELCAL Tone Settings GUI
Timin g wi ndow:
P1 Time data field : (0.000 to 2.000 Seco nds)
Displays or sets the pulse dur ation time of the P1 pulse.
Gap Time data field: (0 to 999 mS)
Displays or sets the gap time between the P1 and P2 pulses.
P2 Time data field : (0.000 to 2.000 Seco nds)
Displays or sets the pulse dur ation time of the P2 pulse.
Test Tone wind ow:
En able check box:
Enables (checked) or disables (unchecked) Test Tone modulation after the P1/
P2 pulse chirp.
Freq d ata field: (10 to 18000 Hz)
Displays or sets the T est Tone Frequency.
MO D data fiel d: (0 to 99%)
Displays or sets the percent of modulat ion applied to the P1/P2 Pulses and Test
Tone Pulse.