Embraer EMB145 Operation Manual page 549

IRS/MSU FAILURE ANNUNCIATION (Continued)
LIGHT

Check IRS CB's.

If the annunciator
ON BATT
remains
do not takeoff.
 Do not takeoff.
BATT
FAIL

Do not takeoff.
NO AIR
REVISION 40
AIRPLANE
OPERATIONS
MANUAL
OPERATION PHASE
POWER ON
lighted,
ALIGNMENT
*******
*******
*******
ABNORMAL
PROCEDURES
IN FLIGHT
 The IRU operates
on backup
power and
operate for
minutes.
*******
 Operate IRU until
completion of flight.
 If fault annunciator
is ON or inertial
data ceases to be
transmitted by IRU,
select
remaining IRU and
set mode select
switch for affected
IRU to OFF. If IRU
is OFF,
airplane is near the
end of the flight
and additional
attitude reference
is needed,
mode select switch
to ATT.
Page
1-03-59 13
DC
will
30
the
the
set
Code
03