Aeroflex ATB-7300, Руководство по эксплуатации, Страница: 34 / 92

Test Set Operation
Subject to Export Control, see Cover Page for details.
2 - 17
2.3.6.D Ident Settings Button
Pops up a trim med down Ident GUI tailored s p e c i f i c al l y f or M arker Beacon operation.
Fig. 2-22 (MKR) Ident GUI
Ide nt G UI ( MK R ):
Provides for changing the timing of the Morse code like ' Dots' and 'Dashes' of the
selected marker option.
Dot data fi el d: * (50 to 250 mS)
Displays or sets the tone modulation ON time representing a Morse code like 'Dot'
Gap data field: (50 to 250 mS )
Displays or sets the tone modulation OFF time or ' gap' separating each Morse code
like 'Dot' or ' Dash'.
Dash data field:* (150 to 750 mS)
Displays or sets the tone modulat ion ON time representing a Morse code like ' Dash'.
OFF button :
Disables all modulation (Code and Tone).
TONE butto n:
Enables a constant modulated Tone on t he generator carrier frequency using the
Tone settings.
CODE button:
Enables a series of modulated Morse c ode like ' Dots' and/or ' Dashes' depending on
the T one settings, Ident settings and selected Marker option:
*OUTER - only ' Dashes' are modulated. The Dot data field is not settable.
MIDDLE - both ' Dot s and 'Dashes' are modulated
*INNER - only 'Dots' ar e modulated. The Dash data field is not settable.
2.3.7 VDB Gen GUI
Provides for the generation and playing of Aeroflex IQ (AIQ) files containing I (in-
phase) and Q (quadrature phase) waveform data from user provided digital modulation
scheme text files.