Install Manual Part 3
Table Of Contents
- CHAPTER 4- MAINTENANCE
- APPENDIX A - SIGNAL & CABLE CHARACTERISTICS
- APPENDIX B - CHECKOUT USING TCAS-201 RAMP TEST SET
- APPENDIX C - CHECKOUT USING T-49C FLIGHTLINE TESTER
- APPENDIX D - USING THE TERMINAL DEVICE
- APPENDIX E - CHECKOUT USING ALTERNATE DISPLAY
SKY497
Installation Manual
A-9
Rev. C
SIGNAL CHARACTERISTICS
XYZ Synchro Input These connections from the aircraft heading source (ARINC Synchro Signal
Practices) allow the unit to rotate the displayed data as the aircraft turns.
NOTE
Synchro heading input is selected via the Heading Input Source
jumpers P1-69 & P1-70 (see Table A on the Interconnect Wiring
Diagram, figures 2-2 and 2-3, sheet 2) located in the connector
back-shell.
X(S1), Y(S3), Z(S2)
FREQUENCY Min: 50 Hz
Max: 1500 Hz
VOLTAGE
Min: 5.0 Vrms (w/reduced angular resolution.)
Max: 14.0 Vrms (external padding required for
higher levels.)
INPUT IMPEDANCE >50 kΩ
CONNECTION P1-66 (SYNC_X)
P1-65 (SYNC_Y)
P1-64 (SYNC_Z)
CABLE See paragraph 2.6.4.
H and C (high and low reference)
FREQUENCY Min: 50 Hz
Max: 1500 Hz
VOLTAGE
Min: 3.5
Max: 35 Vrms
INPUT IMPEDANCE >50 kΩ
CONNECTION P1-55 (SYNC_HI)
P1-54 (SYNC_LO)
CABLE See paragraph 2.6.4.