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display section, the value displayed may be increased or decreased
from its current value by turning the appropriate control: CHAN or
VALUE knobs for CHAN function and VALUE knob for all other
functions.
(10) OPR (Operating Mode) Display Section:
Three alpha-numeric characters display the HF-9000 system
operating mode selected by VALUE knob. The operating modes are:
• MAN: Manual discrete frequency mode
• CHN: User-programmed preset channel mode
• SCN: User-programmed preset channel receive scan mode
• MAR: Maritime preprogrammed preset channel mode
• TST-BIT: Built-in test mode
• PGM: User-programmable preset channel program mode
• EMR: Emergency preprogrammed preset channel mode
• EXT: External system control mode
• SBY: Standby control mode
The OPR section will display FLT (fault) or WRN (warning) if a fault
or warning occurs in the HF-9000 system. The OPR function will
momentarily display VOL or SQL whenever the VOL (volume) or
SQL (squelch) control setting has been changed. The VOL or SQL
level will also be displayed at the same time in FREQ / CHAN
section.
(11) MODE (Emission Mode) Display Section:
Two alpha-numeric characters display the RF emission mode
selected by the VALUE knob. The following modes are available:
• UV: Upper Side Band - Voice
• LV: Lower Side Band - Voice
• UD: Upper Side Band - Data
• LD: Lower Side Band - Data
• CW: Continuous Wave
• AM: Amplitude Modulation
OPERATING MANUAL
PRODUCTION AIRCRAFT SYSTEMS 2A-23-00
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Revision 7
• FM: Frequency Modulation (Optional)
If a fault or warning occurs in the system, the MODE function
characters will indicate the unit in which the fault or warning
occurred: CU for antenna coupler, RT for receiver / transmitter, R for
remote control unit, FO for fiber-optic system and _ _ (two blanks)
for an external system malfunction.
(12) FREQ / CHAN (Frequency / Channel) Display Section:
Up to six numeric characters display frequency data and channel
number for normal operation. The frequency is either increased or
decreased by using the VALUE knob and is displayed in all six digits
plus a decimal point. Channel selection is accomplished with the
CHAN or VALUE knob. During the TST (built-in test) mode, the unit,
module and circuit card failure are displayed.
(13) PWR (Power) Display Section:
This is a three-level bar indicator for selectable output power levels
of low power (bottom bar), medium power (bottom two bars) and
high power (all three bars). The output power level is selected by the
VALUE control.
C. Circuit Breakers (CBs):
The HF-190 communications system is protected by the following CBs:
Circuit Breaker Name: CB Panel: Location: Power Source:
HF COMM #1 CP C-10 L Main AC Bus, φA
HF COMM #1 CP C-11 L Main AC Bus, φB
HF COMM #1 CP C-12 L Main AC Bus, φC
HF COMM #2 CP E-10 R Main AC Bus, φA
HF COMM #2 CP E-11 R Main AC Bus, φB
HF COMM #2 CP E-12 R Main AC Bus, φC
The HF-9000 communications system is protected by the following CBs:
Circuit Breaker Name: CB Panel: Location: Power Source:
HF RT CPLR #1 CP D-11 L Main DC Bus
HF CONT #1 CP D-12 L Main DC Bus
HF RT CPLR #2 CP E-11 R Main DC Bus
HF CONT #2 CP E-12 R Main DC Bus
5. Limitations:
A. Flight Manual Limitations:
There are no limitations for the HF communications system at the time of
this revision.
B. Pilot’s Manuals:
(1) HF-190 Series:
Consult the Collins High Frequency Communications System Pilot’s
Guide, Collins Publication Number 523-0774-209, for operating
procedures of the HF-190 series system.
(2) HF-9000 Series:
OPERATING MANUAL
2A-23-00 PRODUCTION AIRCRAFT SYSTEMS
Page 18
May 30/02
Revision 7
Consult the Collins High Frequency Communications System Pilot’s
Guide, Collins Publication Number 523-0774-344, Revision 6, dated
February 1, 1994 for operating procedures of the HF-9000 series
system.
OPERATING MANUAL
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OPERATING MANUAL
THIS PAGE IS INTENTIONALLY LEFT BLANK.
2A-23-00 PRODUCTION AIRCRAFT SYSTEMS
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HF-190 Series Control
Panel (Sheet 1 of 2)
Figure 3
OPERATING MANUAL
2A-23-00
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May 30/02
HF-190 Series Control
Panel (Sheet 2 of 2)
Figure 4
OPERATING MANUAL
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May 30/02
HF-9000 Series Control
　
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