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Skywatch SKY899 Installation Manual

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3.1
INTRODUCTION
This section contains checkout procedures that will validate the installation and return to service of the
SKY899 installed with a WX-1000/SKY497 display using TT391 Flightline Tester. Detailed setup,
operation and maintenance information for the TT391 Flightline Tester is provided in the TT391
Instruction Manual.
Each time the TRC, directional antenna, or directional antenna cables
(including connectors) are installed, removed or replaced, the TRC must be
calibrated to the directional antenna (refer to paragraphs 3.3.2 & 4.4.3).
1. This procedure assumes familiarity with the set up and operation of the
TT391 Flightline Tester.
2. All test equipment used in completing these tests shall be calibrated in
accordance with the manufacturer's recommendations.
3. This section provides checkout information for the SKY899 using the
WX-1000 Display. If using an alternate display use Appendix F for
installation checkout.
4. Checkout of the WX-1000 processor should be done in accordance
with the procedures detailed in the WX-1000 Installation Manual.
Table 3-1 lists the installation checkout procedures that should be used depending upon which display is
installed and which tester is being used.
Display
WX-1000 Display
Alternate Display
009-11900-001
Revision F
The document reference is online, please check the correspondence between the online documentation and the printed version.
SKY899
Installation Manual
Section 3
Installation Checkout
CAUTION
NOTES
Table 3-1: List of Installation Checkout Procedures
Flightline Tester
TCAS-201
TIC T-49C
IFR-6000
TCAS-201
TIC T-49C
IFR-6000
Installation Checkout
Procedure
TT-391
Section 3
Appendix C
Appendix D
Appendix G
TT-391
Appendix F
Appendix C
Appendix D
Appendix G
Installation Checkout - Page 3-1
July 18, 2013

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Summary of Contents for Skywatch SKY899

  • Page 1: Section 3 Installation Checkout

    This section contains checkout procedures that will validate the installation and return to service of the SKY899 installed with a WX-1000/SKY497 display using TT391 Flightline Tester. Detailed setup, operation and maintenance information for the TT391 Flightline Tester is provided in the TT391 Instruction Manual.

  • Page 2: Checkout Procedure

    SKY899. 1. Turn SKY899 ON. The display will show a start-up screen similar to one shown in Figure 3-2. After start-up screen appears, rotate the OFF/BRT switch. Verify that clockwise rotation increases display brightness.
  • Page 3 After approximately thirty seconds the display will show the STANDBY screen (see Figure 3-3). NOTE If the TRC has not been calibrated to the directional antenna the display may show a “SKY899 FAILED” message. Calibration will be done during system setup verification and operation. Figure 3-3: Standby Screen 3.3.1 System Setup...
  • Page 4 Installation Manual 3.3.1.1 System Configuration (via Service Menu) 1. Turn SKY899 OFF and then enter the Service Menu (see paragraph 4.4) by holding the left two buttons (soft-keys 1 and 2) depressed as the system is turned ON. 2. From the Service Menu, select Setup and then select Aircraft Type. The Aircraft Type menu will appear, select fixed wing aircraft type (rotorcraft is provided for future option, do not select at this time).
  • Page 5 3.3.1.2 Download System Configuration (via Compact Flash Card) 1. With the SKY899 OFF, lift the memory card door on the front of the TRC899 and insert the compact flash card into J12 connector. Carefully align the arrow from the flash card with the arrow on the front of the TRC899 while inserting (see figure 4-40).
  • Page 6 (see calibration below and paragraph 4.4.3). 1. With SKY899 turned OFF, enter the Service Menu (see paragraph 4.4) by holding the left two buttons (soft-keys 1 and 2) depressed as the system is turned ON. From the Service Menu, select Calibration: a.
  • Page 7 (The stay is the hinged part that props the lid open on the chassis). NOTE The Patch Antenna may be used without a tripod. The Patch Antenna can be held, or secured, and pointed towards the SKYWATCH HP aircraft under test . This WITH THE MOUNTING STUD POINT TOWARD THE GROUND orientation is critical.
  • Page 8 15. Restart SKY899 by cycling power OFF and then ON. 16. Connect an oscilloscope to the suppression bus and verify that the SKY899 suppression pulse (100 µs ±5 µs) exceeds +15 V dc. If less than +15 V dc the suppression bus is overloaded. Check all equipment connected to the bus.
  • Page 9 Make sure all compass/HSI flags are cleared from the aircraft's instruments. 2. Turn SKY899 ON. The display should show a start-up screen similar to one shown in Figure 3-2. 3. After approximately thirty seconds, observe the STANDBY screen and then press the TEST button (soft-key (2)).
  • Page 10 Audio output from the TRC is transformer isolated. 7. If SKY899 fails the self-test: a. The "SKY899 Failed" screen with an error message indicating the type of failure will be displayed. b. The voice message, "SKYWATCH SYSTEM TEST FAILED", will be enunciated over the cockpit audio system.