Aeroflex 4000 Overview

The 4000 is a portable NAV/COMM Test Set used to verify the operation and installation of ILS, VOR, and Marker Beacon receivers and VHF AM/FM and UHF AM Transceivers. The 4000 allows accurate measurement of VHF/UHF transmitter frequency, output power, modulation (AM and FM) and receiver sensitivity, VHF/UHF antenna and/or feeder Standing Wave Ratio (SWR). It can simulate Localizer and Glideslope (CAT I, II and III) signals with variable Difference in Depth of Modulation (DDM) settings. The instrument has a Swept Localizer DDM for coupled AutoPilot testing including simultaneous Localizer, Glideslope and Marker Beacon signals, as well as simulation of VOR beacon with variable bearing. It can also generate ARINC (Aeronautical Radio, Inc.) 596 Mark 2 airborne Selective Calling tones (SELCAL), allowing a ground radio operator to alert an air crew that the operator wishes to communicate with that aircraft.

Features:

• Accurate measurement of VHF/UHF transmitter,frequency,output power, modulation (AM and FM and receiver sensitivity)
• Generation of ARINC 596 Selective Calling Tones
• Accurate measurement of VHF/UHF antenna and or feeder SWR (Standing Wave Ratio)
• Simulation of Localizer and Glideslope (CAT I,II and III)Signals with variable DDM settings
• Swept Localizer DDM for coupled Auto Pilot testing (Simultaneous Localizer, Glideslope and Marker signals)
• Simulation of VOR beacon with variable bearing
• Simulation of Marker Beacon,Selectable Airways (Z),Outer and Middle Marker Tones
• Guided Test capability cuts down total test time
• 5.7 inch LCD Display with user adjustable backlight and contrast
• Internal battery allows eight hours of operation before recharge

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