Interstage Turbine Temperature (Itt) Display; Itt Analog Scale; Engine Ignition (Ign) Annunciation - Honeywell PRIMUS 1000 Pilot's Manual

INTERSTAGE TURBINE TEMPERATURE (ITT) DISPLAY

ITT Analog Scale -- The scale listed in table 5--3, is color banded,
D
as to indicate normal and parameter exceedance ranges.
Operating Condition
All modes except
ALT--T/O ALT--T/O
NOTES: 1. Color ranges change for engine start and CON, the CLB, and
CRZ conditions. CRZ conditions.
2. ALT--T/O modes have different ITT limits.
The scale ranges from 0 to 1000 _ C. The scale from 800 to 1000 _ C
is twice the rest of the range.
In the red range, the pointer and digital display change color.
A red tick mark, indicates the beginning of the red range.
ITT Digital Display -- Ranges from 0 to 1000_ C in 1.0 _ C
D
increments.

ENGINE IGNITION (IGN) ANNUNCIATION

Each engine' s dual ignitors are monitored for activation. The
annunciation color relates to ignitor status as listed in table 5--4.
Number of Operating
Ignitor Annunciation Color Definition
The annunciation can be A, B or AB, depending on the selection by the
FADEC. The annunciation can also be OFF.
A28--1146--112--00
Color
White
Red
ITT Limits
Table 5--3
Ignitors
2
0
Table 5--4
Engine Instrument and Crew Alerting System (EICAS)
PRIMUSr1000 Integrated Avionics System
Lower
Limit
0 _ C
922 _ C
IGN Annunciation
Color
Green
Amber
Upper
Limit
921 _ C
1000 _ C
5-11