Tuning Backup Control Head Controls And Annunciations; Remote Tune Annunciator; Tuning Cursor - Honeywell PRIMUS 1000 Pilot's Manual

Controls and Annunciations
The tuning backup control head controls and indicators shown in figure
C--17, are described below.

Tuning Backup Control Head Controls and Annunciations

Remote Tune Annunciator -- The remote tune annunciator is only
D
active when the system is strapped for NAV only or COM only
tuning. It is on when the radio is tuned from some source other than
what the unit is tuned to.

Tuning Cursor (

D
controlled by the transfer key. It indicates which frequency can be
changed by the tuning knobs.
Navigation Audio (NAV AUDIO) On Annunciator -- When
D
displayed, this annunciator indicates that NAV audio has been selected
on.
Emergency
D
annunciator indicates when the tuning backup control head has
been placed in the emergency mode. This annunciation is not
related to the emergency COM frequency of 121.5.
Squelch (SQ) Annunciator -- When displayed, this annunciator
D
indicates the squelch is opened by the SQ switch.
A28--1146--112--00
Figure C--17
) -- The tuning cursor is a lighted triangle that is
"
(EMRG) Mode
PRIMUSr1000 Integrated Avionics System
Annunciator -- The EMER
PRIMUS
â
II Radio System
C--37