Embraer EMB145 Operation Manual page 539

DAU MISCOMPARE
EICAS CAUTION: DAU 1 (2) ENG MISCOMP or DAU 1 (2) SYS
LIGHT: Master Caution
Associated DAU Reversion .......................................... ON
Check associated DAU REVERSION message on EICAS.
NOTE: For each miscompare message and each side, check the
following parameters before and after the reversion:
- Engine: N1, N2, ITT.
- System:
temperature, hydraulic pressure, oxygen pressure.
- Warning: all warning messages, if any.
DAU REVERSION
EICAS ADVISORY: DAU 1 (2) REVERSION
If the reversionary condition is not required, press the associated DAU
Reversionary Button to remove it.
DISPLAY FAILURE
EICAS CAUTION: CHECK PFD 1 (2) message is presented if PFD is
LIGHT: Master Caution
Confirm the failed display.
If PFD failed:
Associated MFD Selector Knob............................... PFD
If EICAS failed:
MFD Selector Knob (as required)............................ EICAS
If all main panel displays failed:
Exit or avoid icing conditions.
RMU......................................................................... AS REQUIRED
Use RMU to access power plant or navigation data.
Land at the nearest suitable airport.
REVISION 37
AIRPLANE
OPERATIONS
MANUAL
MISCOMP or DAU 1 (2) WRN MISCOMP
Battery voltage
the failed display.
and temperature,
1-03-59
ABNORMAL
PROCEDURES
takeoff
Page Code
5 03