Yaesu FT-891 - John's Vademecum

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====== Yaesu FT-891 ======

** HF/50MHz all mode **

===== Information =====

  * Date : March 2025
  * Purchased from : Martin Lynch [[https://www.hamradio.co.uk/amateur-radio/mobile-radio/yaesu-mobile-radio/yaesu-ft-891-hf-50mhz-100w-all-mode-transceiver-pd-6839 | FT-891 ]]
  * Price : £639
    * plus Wideband TX Mod : £25

  * Firmware Versions
    * Main : ''V01-10''
    * DSP : ''V02-05''
    * LCD : ''V01-01''
  * These appear to be the current, most up to date versions

==== SSB TX EQ ====

I'm not naturally a 'phone operator and avoid playing with audio settings as much as possible. I prefer simple "communications quality" audio when I use SSB. As the FT-891 is intended to be my "phone mode radio" and I've done some initial adjustments to try and achieve a clean, basic communications-quality setup.

From what I can work out, the "bandwidth" settings of the EQ refer to Q - the smaller the number the lower the Q and the wider the affected bandwidth. I'm aiming for gentle shaping of the voice band to cut the low-end boomy bass and lift the high end "articulation" so I've set a low-Q on each pole of the EQ filter. I've set both the non-Compression and the Compression EQ settings to the same values - I want the audio to sound the same with and without the processor. The Mic's rear "tone" switch can be used to give a slight increase in low frequencies by switching -> 1 if I ever feel the need.

Here are the settings I've got on the FT-891

  * MH31 Fist Mic rear switch -> 2

=== Deep Menu Settings ===

|11-09 |SSB TX Bandwidth| 300-2700 |
|16-07 |SSB Mic Gain| 15 |

== EQ values for "Processor OFF" ==

|15-01 |EQ 1 Freq | 300 | 
|15-02 |EQ 1 Level| -10 |
|15-03 |EQ 1 Bandwidth | 1 |

|15-04 |EQ 2 Freq | 1200 |
|15-05 |EQ 2 Level | 3 |
|15-06 |EQ 2 Bandwidth | 1 |

|15-07 |EQ 3 Freq | 2500 |
|15-08 |EQ 3 Level | 10 |
|15-09 |EQ 3 Bandwidth | 1 |

== EQ values for "Processor ON" ==

|15-10 |P-EQ 1 Freq | 300 | 
|15-11 |P-EQ 1 Level| -10 |
|15-12 |P-EQ 1 Bandwidth | 1 |

|15-13 |P-EQ 2 Freq | 1200 |
|15-14 |P-EQ 2 Level | 3 |
|15-15 |P-EQ 2 Bandwidth | 1 |

|15-16 |P-EQ 3 Freq | 2500 |
|15-17 |P-EQ 3 Level | 10 |
|15-18 |P-EQ 3 Bandwidth | 1 |



=== Function Menu settings ===

|MEQ | ON | |
|PRC | ON | 30 |
===== User Manuals =====

  * Basic Manual {{ :public:radio:radio_database:ft-891_om_eng_eh065h201_1611a-bo-2.pdf |}}
  * Advanced Manual {{ :public:radio:radio_database:ft-891_advance_manual_eng_1806-f.pdf |}}



--- //John Pumford-Green 27/03/25 13:21 GMT//

===== Further Information =====


{{tag>radio ft891}}
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