Power--On And Alignment Operation - Honeywell SPZ-8000 Pilot's Manual

SPZ--8000 Digital Integrated Flight Control System

POWER--ON AND ALIGNMENT OPERATION

The power--on and alignment procedure is given in Table A--1.
Step
1 Verify that MSU mode select switch is set to OFF.
NAVIGATION PERFORMANCE MAY BE DEGRADED IF
THE IRU IS ALIGNED AT LATITUDES ABOVE 70_ _ _ _ .
2 Set aircraft circuit breakers for IRU to ON position. Make
sure that aircraft is stationary.
THE IRS DOES NOT COMPLETE ALIGNMENT IF THE
AIRCRAFT IS MOVED. VERIFY THAT THE AIRCRAFT IS
STATIONARY DURING ALIGNMENT.
3 If IRU is being aligned below 70_, set MSU mode select
switch to ALIGN or NAV. If IRU is being aligned above 70_
latitude, set mode select switch to ALIGN.
4 Initialize IRU through the FMS.
5 Wait until the alignment is complete. The ALIGN
annunciator goes out.
6 Move select switch to the NAV position.
R
LASEREF II/III Inertial Reference System (IRS)
A--6
Power--On Alignment Procedure
Table A--1
Procedure
CAUTION
CAUTION
A28--1146--055
REV 2