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YAESU

FT-450

FT-450AT

Users Manual

18 August 2013

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Summary of Contents for FT-450

Page 1: ...YAESU FT 450 FT 450AT Users Manual 18 August 2013...

Page 2: ...ferent perspective of this impressive machine You will find that this is structured to my machine I do not have the enhanced microphone a linear amplifier to boost up the power and as yet I do not hav...

Page 3: ...ss Width 8 3 4 3 5 Filter Shift 9 3 4 4 CW Reverse 9 3 4 4 6 CW Spotting 9 3 4 5 Radio Frequency Gain 9 3 4 5 7 Automatic Gain Control 9 3 4 5 8 Radio Frequency Volume Control 10 3 4 6 Audio Volume Co...

Page 4: ...Adaptation of RTTY communication 25 7 10 Adaptation of VOX Operation 25 8 Procedural Uses 25 8 1 CW Setup 25 8 2 SSB Setup 26 8 3 Antenna Testing 27 8 4 CW Training 27 9 Acronym Glossary 28 Table of...

Page 5: ...rotary digital dials a lighted display and three jacks The small rotary digital dial DSP SEL has 24 steps per revolution and also functions as a push button The large rotary digital dial has 100 step...

Page 6: ...through modes to enable disable CW Toggles between USB and LSB reception MODE T PRESS power off Display software version 194 when turn power on PRESS Steps forward through enabled modes menu Steps bac...

Page 7: ...ting frequency step with DSP SEL knob PRESS Toggle operation using secondary VFO settings to transmit STEP SPLIT T PRESS Activate quick SPLIT operation F Toggle program memory scan between two frequen...

Page 8: ...knob Any unwanted modes may be turned off in adaptation using the MENU functions described later Most user s will not need all of the communication modes shown in Table 2 When you get to the section o...

Page 9: ...dial is by default disabled in AM or FM modes but may be enabled by adaptation MODE S DSP SEL KNOB MAIN DIAL CW LSB USB DATA 1 0 2 5 5 0 kHz 1 10 20 Hz AM 2 5 5 0 9 0 10 12 5 25 kHz 100 200 Hz FM 5 0...

Page 10: ...d on The offset will also be set to zero if the MAIN dial is inadvertently turned when the CLAR is turned off 3 3 2 Split Frequency Operation The FT 450 Transceiver is capable of operating on two freq...

Page 11: ...DSP The DSP then detects DET the signal and provides the AGC control The detected signal then passes through a digital to analog converter DAC to drive the speaker circuitry The operator has direct c...

Page 12: ...the band pass is achieved by the second press of the DSP button that causes the sign to be positioned next to the NOTCH graph Press the DSP SEL knob to toggles the filter off or on Turn the DSP SEL kn...

Page 13: ...wn on the lower left of the display Note The shift value is not saved as part of the VFO setup 3 4 4 CW Reverse The default CW reception injects the beat frequency in the upper sideband of the CW carr...

Page 14: ...signal strength meter readings are only accurate in the full on position The SQL RF GAIN knob may also be adapted to act as a squelch muting the sound when the signal is below a set level and or paus...

Page 15: ...er switching system on or off when in USB LSB AM or FM modes When the VOX is active the VOX indicator will show on the display When VOX is active speaking into the microphone will cause the Transceive...

Page 16: ...he memory channels may be addressed one of two ways per Table 7 according to the setting in adaptation Group Memory OFF Group Memory ON MEM 001 MEM 050 M 01 01 M 01 50 MEM 051 MEM 100 M 01 01 M 01 50...

Page 17: ...of the display Should the operator decide to change one of the parameters see Table 8 above the entire VFO setup of that channel is copied into the M TUNE memory and the change applied to the M TUNE...

Page 18: ...VFO setup channel When you change bands the system identifies the band to which the receiver data now belongs to based on the receiver frequency and updates the current data in that memory If the rece...

Page 19: ...ressing the DSP SEL knob has no effect When you reach the desired channel press the V M button to store the information in that channel Warning The process will be aborted if no action is taken for a...

Page 20: ...niform The relative size of dots dashes and spaces a standard size for a given code speed Press the KEYER button to toggle the keyer on or off Input to the keyer can be adapted for either a straight k...

Page 21: ...AST FAST Toggle increase in frequency steps for both dials DSP DSP Step DSP contour notch digital noise reduc width OFF Step through combinations of ATT and IPO off and on ATT IPO ATT IPO T PRESS CW V...

Page 22: ...value is displayed In most cases pressing the HOME RCL button will restore the factory default Then press the DSP SEL button again to stop the MENU blinking When you are done changing parameters t pre...

Page 23: ...KMOD Lock mode FREQ FREQ PANEL ALL 034 M TUNE ON ON OFF 035 MEM GRP Memory group OFF ON OFF 036 MEM TAG Alpha tags for chan TAG OFF TAG OFF TAGNAME 037 MIC EQ MIC equalizer 0 0 9 038 MICGAIN MIC gain...

Page 24: ...he transceiver beep alert to the user This is either a fixed volume or one that is linked to and offset from the audio volume control To toggle between a fixed volume and a volume linked to the settin...

Page 25: ...7 2 Tranceiver Controls A F DIAL default DISABLE out of ENABLE DISABLE Enables and disables the MAIN dial in AM and FM modes CLAR default DIAL out of DIAL OR SEL Determines whether the MAIN dial or D...

Page 26: ...ck SQL RFG default RF GAIN out of SQL or RF GAIN Select the configuration for the panel SQL RF knob 7 3 Computer Aided Transceiver CAT Operation CAT RTS default ENABLE out of DISABLE or ENABLE Enables...

Page 27: ...the audio volume control press the F key To hear the tone press the METER DIM button CWTRAIN default N out of N A or M Set CW training function N Numeric A Alpha and M Mixed See section 8 4 CW Trainin...

Page 28: ...ing the speech processor is turned off automatically Otherwise it is turn on automatically MICSCAN default ON out of ON or OFF Default scanning on DWN FST UP microphones May be replaced by PM_DWN PM U...

Page 29: ...rse RTYTPOL default NOR out of NOR and REV Set the mark or space polarity for RTTY transmission NOR normal and REV reverse 7 10 Adaptation of VOX Operation VOX DLY default 500 milliseconds out of 100...

Page 30: ...or someone calling Then next time you want to start up on the same band 1 Set theshift ATT IPO RF gain and AF gain as shown in section 8 2 Restore the memory channel for this setting If you plan to ch...

Page 31: ...and upper ends of the bands I am interested in I can then test my multi band antenna s quickly selecting frequencies from that group 8 4 CW Training To practice sending simply set up for CW operation...

Page 32: ...ave DNR Digital noise reduction DSP Digital signal processor FM Frequency modulation FSK Frequency shift keying HF High frequency IF Intermediate frequency IPO Intercept point optimization LCD Liquid...

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