Wulfsberg Electronics Division CDM-451 Benutzerhandbuch
CDM-451 DISTANCE MEASURING SYSTEM
OPERATOR’S MANUAL
1.
General
This section describes the displays and controls of the FliteDME Distance Measuring System.
The FliteDME System requires the use of a frequency tuning unit, such as the VNS 41A VHF Navigation
System, or other ARINC 429 tuning control unit. However, if the CDM-451 being used is a
400-041181-0012/0112 part number, then King Serial tuning information can be supplied via the KDI-572,
part number 066-1069-15.
System, or other ARINC 429 tuning control unit. However, if the CDM-451 being used is a
400-041181-0012/0112 part number, then King Serial tuning information can be supplied via the KDI-572,
part number 066-1069-15.
An aircraft audio system, including headphones and/or speaker amplifier and speaker, is required to
process DME ident audio outputs.
process DME ident audio outputs.
2.
Operation
All controls and displays used to operate the FliteDME Distance Measuring System are located on the
SD-442B Selector-Display or the KDI-572 Master Indicator. Refer to Figure 1 and Figure 2 for the
following discussions:
SD-442B Selector-Display or the KDI-572 Master Indicator. Refer to Figure 1 and Figure 2 for the
following discussions:
A. SD-442B
Selector-Display
Figure 1. SD-442B Control and Display Functions
(1) NAV PUSHBUTTON selects the NAV 1, NAV 2, or RNAV frequency tuning source. A1, 2,
or RNV is displayed in the lower left corner of the display window, to annunciate the tuning
source.
source.
(2) HLD PUSHBUTTON holds the last frequency selected by the NAV< freeing the NAV
receiver to change frequency. The frequency to which the DME is tuned is displayed in the
right portion of the display window, with HLD and FRQ annunciated. If the SD-442B is
strapped as an RNAV repeater, RNV flashes for RNAV related functions when the HLD
button is pressed.
right portion of the display window, with HLD and FRQ annunciated. If the SD-442B is
strapped as an RNAV repeater, RNV flashes for RNAV related functions when the HLD
button is pressed.
Publication No. 150-041762
Page 3
Rev. B
Operator’s Manual
July 2006