Installation manual

IM2803MG.DOC., DIR. 912802 IM2803 Shadin Avionics

INSTALLATION MANUAL

IGIDATA

Rev: M

P/N 912802-A, 912802-03A, 912802-03A-G

Page: 5-6

5.8 Connection to the Navigation Management System

1. Use the appropriate installation wiring diagram (4028-A19 or 4028-A21) to connect the

DigiData Connector P1 to the navigation management system.

2. Keep the cables away from power cables, DME and transponder cables.

3. Refer to the specific Nav Receiver Installation Manuals for details.

5.9 Connection to the DC Power buss

1. Consult Installation Drawing P/N 912802 for a DigiData with digital fuel flow, P/N 912802-

03 for a DigiData with DC fuel flow, or P/N 912802-03-G for a DigiData with DC fuel flow

and a gray face.

2. Install a 2 amp. circuit breaker between P1:1 of the DigiData and the power buss. Mark the

circuit breaker by engraving, painting or other approved method.

5.10 Post Installation Checkout

1. The pitot and static system must be checked for leaks.

2. Operate the Navigation Management System; select the altitude and airspeed pages. Use a

static and pitot test system to verify the accuracy. Compare the pressure altitude and

indicated air speed between the DigiData and Navigation Management System pages.

3. Select heading page. Slew compass through 360°. The error should be within ±1°.

4. Select the OAT page. Compare to the reported ambient temperature. The error should be ±1

½ °C.

5. Run the engines and select the fuel flow page. Compare the fuel flow readout with the engine

manufacturer's fuel flow charts under the ambient temperature and pressure conditions.