BendixKing PS440 System KHF 1050 - Manual (Page 5)

KHF 1050 (PRIMUS HF 1050) SYSTEM DESCRIP-
TION
The KHF 1050 System (also known as the Primus HF 1050 System) is a
solid-state high frequency (HF) single sideband (SSB) transceiver sys-
tem providing voice and data communication. Data communication is
through an external modem.
This publication describes the operation of the KHF 1050 HF
Communication System using the PS440 Control Display Unit (CDU).
SYSTEM OPERATION
PS440 CONTROL DISPLAY UNIT
CONTROLS
The control functions of the PS440 are described in the following sec-
tions. Refer to Figure 1 for control locations.
Revision 1 May/2003 KHF 1050/PS440 Pilot’s Guide
1
1 ON/OFF/Volume - Inner concentric knob. Press ON and press OFF.
Rotate to adjust volume.
2 Function Selector - Outer concentric knob. Rotate to select FREQ,
CHAN, MOD, SQL or OPT.
3 Emergency Channel Access Button - Press to gain access to
selection of emergency channels.
4 Functional Test Button - Press to initiate the built-in functional test.
5 Display Area - Digital display of frequencies, modes, channel numbers,
etc.
6 Sub-Function Select Button - Press to enter and select sub-functions.
7 Transmit Lamp - Illuminates when the system is transmitting.
8 Outer Selector Knob - Right outer concentric knob. Rotate to select
frequency, channel numbers, etc.
9 Inner Selector Knob - Right inner concentric knob. Rotate to select
frequency, channel numbers, etc.
10 Enter Button - Press to store data entries.
1
2
3
4
5
6
7
8
9
10
Figure 1 - PS440 Controls
KHF1050 PG R1 4/29/03 3:14 PM Page 1