Appendix E: Checkout Procedures
82005-IM-K
Sandel SN3500 Installation Manual
Page 11-6
Verify that the external NAV/GPS switch arrangement correctly controls the
selected NAV source on the SN3500, including any ILS lockout scheme, if
implemented.
Completed _______ Comment __________________________________
11.1.9
LOC/GS Deviation
Using a ILS test signal generator verify proper deviation of the LOC/GS deviation
indicators on the SN3500. Tune the NAV1 to match the ILS test signal generator
frequency (usually 108.1 MHz.). Select LOC 1 on the SN3500. Adjust the signal
generator to verify the following indications on the SN3500 LOC deviation
indicator, center, 2 dots fly left, 2 dots fly right, and LOC flagged. Adjust the signal
generator to verify the following indications on the SN3500 GS deviation indicator,
center, 2 dots fly up, 2 dots fly down, and GS flagged. Repeat for NAV2.
Completed _______ Comment _________________________________
11.1.10
BRG Source Selection
Press M and then press BRG on the SN3500 and verify that all installed NAV
sources are presented for
each
bearing pointer (NAV1, NAV2, ADF1, ADF2,
TACAN 1, TACAN 2, GPS1, GPS2 as installed). In addition, bearing pointer 1 will
have “AUTO” listed as a choice.
Completed _______ Comment __________________________________
Select each available NAV source for each pointer, and verify in turn that the
depicted bearing corresponds to the actual bearing shown on the NAV source.
Completed _______ Comment __________________________________
11.1.11
DME Selection
If two DME receivers are installed and configured:
Verify that pushing NAV to select between NAV1 and NAV2 also switches the
appropriate DME readout on the SN3500 distance display. Press M and then
BRG to configure bearing pointer 1 to be NAV1 and bearing pointer 2 to be NAV2.
Press BRG to display both pointers simultaneously. Verify that the correct DME
data is displayed in each bearing pointer data block.
Содержание SN3500
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