BendixKing KHF 990 - Manual (Page 51)

OPERATION / MODE FIELD
The Operation / Mode field controls which page is displayed. There
are four top level pages accessible through the Operation / Mode
field: MAN, ALE, SEND, SYS. The MSG page is not selectable in the
Operation / Mode field, it is accessed by pushing the MSG key.
Changes to the Operation / Mode field are reflected in the rest of the
display immediately.
STATE / SELECTION-CATEGORY FIELD
The State / Selection-Category field provides different functions
based on the current page. This field is subdivided into smaller fields
on most pages. For some pages it displays the system state, for
example scanning or single channel. On other pages this field is
used to select from a list of available selections.
RECEIVE / TRANSMIT STATE
The receivel transmit state has three states:
R indicates the radio is in the receive state.
T indicates the radio is in the transmit state.
D indicates the radio is receiving ALE tones.
MESSAGE / UNTUNED FLAG
A flashing M is displayed when there is a new message for the opera-
tor. To review the message the operator selects the message page
by pushing the MSG key. A U is displayed when the current channel
is not tuned. An untuned warning message is also displayed on the
message page.
SECOND LINE OF DISPLAY
The second line of the display is used as a window into a list of items
on most pages. This window can be scrolled up and down a list with
the CRSR knob or the next item in the list can be displayed by push-
ing the ENT key.
Temporary overlays also are displayed on the second line. Some
overlays are displayed for a few seconds then the line returns to the
original display. Other overlays remain on the display until removed
by pushing the CLR key. There are some program on which that
overlays are not displayed. Changes to volume and squelch are
temorarily displayed in overlays. Faults are displayed in overlays and
on the message page.
Operation
3-14 KHF 950/990 Pilots Guide
Rev. 0
Dec/96