Install Manual Part 3

SKY497
Installation Manual
B-2
Rev. C
B.3 CHECKOUT PROCEDURE
If the indications given in the following steps, except for the ramp test set, are not obtained, refer to the
troubleshooting procedures in Chapter 4. If indications given for the ramp test set are not obtained, refer
to the manual supplied with that equipment.
1. Enter and store the setup information identified in table B-1 (see next page) into the TCAS-201 Ramp
Test Set.
2.
Table B-1. IFR Systems TCAS-201 Ramp Test Set Setup Data
SCREEN STORAGE NUMBER 1
SETUP #1
INTRUDER TYPE: ATCRBS
UUT DIST: HORIZ = Distance (ft.) from aircraft
UUT DIST; VERT = Vertical height (ft.) difference between test
antenna and SKY497 antenna
ALT REPORTING: ON
STORE 0
RECALL 0
GAIN_1030 9.4 dB
LOSS 1.3 dB
SETUP #2 RANGE MAX: 20 NM
RANGE MIN: 0 NM
ALT MAX: 60,000 ft
ALT MIN: 0 ft
SCENARIO TEST RANGE: 5.0 NM
RANGE RATE: +200 kt
ALT: 51,000 ft
ALT: RATE: 0 FPM
REPLY TEST RANGE: 5.0 NM
ALTITUDE 50,500 ft
%REPLY: 100 %
3. Make sure the aircraft's transponder is in the STBY mode and the DME is turned OFF. At the
aircraft's instruments, verify all compass/HSI flags are valid.
NOTE
After power up, it may take a couple of minutes for the altitude encoder to
return a valid altitude to the transponder and SKY497.
4. Turn SKY497 ON. The display will show a start-up screen similar to one shown in figure B-2. After
start-up screen appears, rotate the OFF/BRT switch. Verify that clockwise rotation increases display
brightness.