KEYBOARD COMMANDS
Some commands are only meaningful when the lower waterfall display is being used (see Alt Y command.) The spectral display is not used with the Slid-Rule dial and requires no controlling.
F1 On-screen Help, sequences through all screensFrequency
Dialog Boxes
Alt A Data box toggle ON or OFF
Alt B Modal parameter dialog box (varies with mode)
Alt K Software clock set
ALT N VFO to Memory Dialog box
ALt U Display QTH List
CTRL N Load Memory to VFO
Ctrl U QTH Dialog Box
Crtl V P2T Setup Box power-to-frequency converter
Scrl F2 Open Beacon dialog box for auto T & R
Scrl F4 Audio Filter Design Dialog Box
Scrl F5 Microphone Equalizer Design Box
Scrl F6 S/N Signal Simulation Box DO NOT USE ON-AIR
Scrl F7 Transmit Tones Setup Box (Apollo end beep)
Scrl F8 Clock setup Box, Manual or GPS
Scrl F10 Opens PUA43 character delete box
Scrl T Set GPS time
Test Functions
Scrl F6 S/N Simulation
Mode Select
ALT m Sequence through modes allowed by mode_mask
ALT M Sequence backwards
MEMORY SELECTION ( 0 999 memory files)
ALT N Write to Memory
Ctrl N Read Memory
Scrl N Setting to VFO Box
Scrl Alt n (lower case) File List to screen
Alt N (upper case) File List to File
Alt 9 direct frequency entry box
Cursor frequency control keys
<= Frequency down 50 Hz
=> Frequency up 50 Hz
SHIFT <= Frequency down 1 kHz
SHIFT => Frequency up 1 kHz
F9 F10 Frequency controlRIT (Receiver Incremental Tuning)
Scrl Z toggle display frequency resolution
Scrl Ctrl Alt Shift F9 Down 1 milliHz
Scrl Ctrl Alt Shift F10 Up 1 milliHz
Scrl Alt F9 Down 10 milliHz
Scrl Alt F10 Up 10 milliHz
Scrl Shift F9 Down 100 milliHz
Scrl Shift F10 Up 100 milliHz
Ctrl Alt Sh F9 Frequency down 1 Hz
Ctrl Alt Sh F10 Frequency up 1 Hz
F9 Frequency down 10 Hz
F10 Frequency up 10 Hz
Sh F9 Frequency down 100 Hz
Sh F10 Frequency up 100 Hz
Alt F9 Frequency down 1 kHz
Alt F10 Frequency up 1 kHz
Ctrl F9 Frequency down 10 kHz
Ctrl F10 Frequency up 10 kHz
Ctrl Alt F9 Frequency down 100 kHz
Ctrl Alt F10 Frequency up 100 kHz
Ctrl Sh F9 Frequency down 1 MHz
Ctrl Sh 10 Frequency up 1 MHz
Alt-L Toggle EME Doppler correction on/off
Alt O Toggles RIT on/offGeneral Spectral Display
Alt R RIT frequency down 10 Hz
Alt T RIT frequency up 10 Hz
Ctrl-Alt-R RIT down 1 Hertz.
Ctrl-Alt-T RIT up 1 Hertz.
Alt Z RIT frequency to zero
Alt F3 Spectral non-coherent averaging downScreen, Spectrum and Configuration Files
Alt F4 Spectral non-coherent averaging up
Alt C Display AGC toggle (auto brightness)
Alt J Sequence through the SpecAnl widths
Alt Q Spectrum normalization fast
Alt P Spectrum normalization 10 min precision
Alt W Sequences through Windowing functions
Ctrl A Single Vertical Cursor toggle
Ctrl D Double Vertical Cursor toggle
Upper Spectral Plotting Box
Alt 1 Upper display 10, 5, 2, 1 dB/div select
Alt 2 Offset down 1 dB for upper spectral display
Alt 3 Offset up 1 dB for upper spectral display
CTRL E In long-term modes, straightens noise display
CTRL W In long-term modes, clears old data
Lower Spectral Waterfall
F5 Color waterfall brightness down
F6 Color waterfall brightness up
Sh F5 Color waterfall contrast down
Sh F6 Color waterfall contrast up
Alt G Capture the screen to disk fileFront Panel Display Appearance
Alt F Toggles spectral recording to file
ALT-0 (zero) Saves present configuration UHFA.CFG
Alt Y Selects either Slide-rule or spectralReceive Gain
waterfall screen styles. V3.94 of UHFA
does not provide an option of "slide rule"
CTRL Y Reset Waterfall Display
Scrl F3 Selects bottom line data
Sh F7 RF gain down 6 dBBinaural Audio
Sh F8 RF gain up 6 dB
Page-Up RF gain Toggle
F7 Audio gain down 2 dB
F8 Audio gain up 2 dB
Ctrl F7 Audio gain down 1 dB
Ctrl F8 Audio gain up 1 dB
Cursor keys (programmable)
Up-Arrow AF Gain Up 2 dB
Down-Arrow AF Gain down 2 dB
SHIFT Up-Arrow AF Gain Up 10 dB
SHIFT Down Arrow AF Gain down 10 dB
Page-Down Audio Mute toggle on and off
AGC
Scrl G Reduces AGC decay time, 0 for AGC off.
Scrl H Increases AGC decay time
ALT E Toggle Binaural Audio On/OffAudio and I-F Filtering
F3 Audio Filter on/off toggleCW (Morse Code) More detail of CW
F4 Audio Filter Select
Sh F3 LMS De-Noise and Auto-Notch Sequence
Ctrl F3 De-Noise or Auto-Notch gain down
Ctrl F4 De-Noise or Auto-Notch gain up
Scrl F4 Design-A-Filter Dialog Box
Alt $ (i.e., Alt-Shift-4) Toggle I-F
bandwidth between 2800 and 4000 Hz.
FM
Alt S FM squelch down
Alt D FM squelch up
A to Z, a to z Non-commands, sent as CW when in CW or LTIMoon and Sun
1 to 9 Non-commands, sent as CW when in CW or LTI
.,?$/()'":;-_= Non-commands, sent as CW when in CW or LTI
[ Non-command, sends AR in CW or LTI modes
] Non-command, sends SK in CW or LTI modes
\ Non-command, sends AS in CW or LTI modes
^ Non-command, sends "error" in CW or
LTI modes (missing 1 dit!)
# Delimits repeated area in CW buffer,
two required, beginning and end
@ Breaks out of repeated area in CW buffer
! Transmit to Receive from CW
{ Key down 1 second
} Key up 1 second
~ (tilde) Key Down set in UHFA.CFG
Backspace Deletes characters from buffer (CW or LTI)
Shift DEL Clear CW transmit buffer
Ctrl Alt Shift 0 to 9 Enter canned message to
transmit buffer
Alt F7 CW transmit speed down
Alt F8 CW transmit speed up
Scrl C Decreases CW offset (and sidetone) 10 Hz
Scrl V Increases CW offset (and sidetone) 10 Hz
Scrl S Decreases CW Sidetone level by 1 dB
Scrl D Increases CW Sidetone level by 1 dB
< Change locations for Moon/Sun dataTransmit
> Change locations for Moon/Sun data
HOME Toggles transmit and receive
Scrl O Decreases transmit power by 1 dB
Scrl P Increases transmit power by 1 dB
Alt Sh F7 Mike gain down
Alt Sh F8 Mike gain up
Scrl F5 Mike Equalizer design
Alt H Toggles Beacon auto T/R
P2T - POWER CONTROLLED TONE
Ctrl V P2T Setup Box
Alt V P2T On / Off
Alt X P2T Reset Frequency