BendixKing KHF 990 - Manual (Page 54)

INITIAL MANUAL CHANNEL
The initial channel used when changing from ALE to MAN mode
depends on the current ALE state. If the ALE state is linked, then the
linked ALE channel is used, otherwise the last channel selected by
the operator in manual mode is used.
MANUAL CHANNEL ENTRY
Changes made to the 100 manual channels are stored in nonvolatile
memory. The frequency, modulation type, and communication type
are programmable. The frequency modulation and communication
type are modified with the CRSR and VAR knobs. The communica-
tion type field allows simplex or semi-duplex channels to be entered
and used. The default state is simplex, shown as R&T, which means
that the same frequency is used for both receive and transmit.
Changing the communication type to Rx or Tx allows different fre-
quencies to be entered and used for receive and transmit. When the
cursor is on the communication type field the operator can view either
the receive or transmit frequency. When the cursor is not on the
communication type or the frequency field, then the frequency shown
corresponds to the current transmit state.
Operation
3-17 KHF 950/990 Pilots Guide
Rev. 0
Dec/96
MAN ChMan 1 R
R&T 22.5640 USB
Figure 3-13 Simplex Channel
MAN ChMan 100 R
Rx 6.7550 USB
Figure 3-14 Semi Duplex Channel