T-45A UJPT & E2-C2 INav-03
Use and Operation of TACAN, VOR, VOR/DME
III. VOR
A. Location and use of VOR equipment controls and indicators for tuning/
identifying 2.7.5.1.1.1
1. COMM/NAV control transfer panel: CDI VOR switch/light provides
Fig 5: COMM/NAV
switching logic to route navigational information to the HSI and CDI
Transfer Panel
2. Communication control panel: VOR toggle switch provides routing
of Morse code and possible recorded information through inter-
Fig 6: Communication
communication system (ICS) to pilot’s headset
Control Panel
3. VOR/ILS control panel
Fig 9: VOR/ILS
Control Panel
a. Power selector controls power to system and initiates system
BIT when in TEST position (5-sec warm-up is required)
(1) Select the VOR/ILS position on the CDI switch
(2) Set 000 in HSI course selector window
(3) Set and hold the power/frequency knob in the TEST
position on the VOR/ILS control panel
(4) Good BIT check results in the following HSI indications
(a) Glideslope pointer, NAV, and GS flags not visible
(b) Range flag in view
(c) No. 1 pointer 315 +/- 2.5 degrees
(d) CDI moves left maximum 2.5 dots
(e) TO/FROM showing TO
(f) Marker beacon lights on
b. Frequency selector adjusts frequency from 108.00 to 117 MHz
(1) Left inner knob used to select frequencies in 1 MHz steps
(2) Right inner knob used to select frequencies from .00 to .95
steps
c.
Frequency display window displays tuned frequency
d. Volume control knob varies audio signal level
(6-99) Original
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