FT-891 MARS modification
Yaesu FT 891 100 W Reliable High Power Output. The FT-891 provides stable 100 W (25 W AM) high power output. High reliability is assured by the transmitter careful circuit design with efficient thermostatically-controlled dual internal fans and the diecast chassis. Does anyone know of a software program out there that will program Yaesu radios with an Apple (Mac OS) computer? The initial programming software was Windows based from RT systems and worked just fine. I have tried three of the 'virtual' programs with no success. The radios in question are a Yaesu FT 897D, FT 50R, and a FT 8900 on order. The free Yaesu and Kenwood software for their radios works, but it caused me pain. The $25 RTSystems aspirin works fine. Additionally, I use a Mac as my primary computer, but I use Windows PC's, laptops and tablets because it's better to embrace it versus the pain. Yes, that means Unix too. Heard back from Yaesu. The persistent beeping noise is due to the fact that the command sets for the FT-991 are not compatible with the FT-891. The driver set is the same, but HRD and N1MM have not released a profile for the 891. 2nd - A word of warning - Yaesu replied that the FT-891 DOES NOT HAVE AN INTERNAL SOUNDCARD BASED AUDIO INTERFACE.
This modification gives the FT-891 a continuous TX range of 1.8 – 56 MHz.
Open the top of the radio up the spealer and near to dsp you ca see 2 slot, solder they an you have a continuos tx
Undocumented factory reset procedure and servicemenu for Yaesu FT-891
Press and hold the buttons «F» and «Clar» while pressing power on.
Cubase 5 software, free download. This reset is nowhere mentioned in the manual and can be used when the menu is no longer accessible.
To access the service menu of the FT-891, press and hold the buttons a, b, and c while pressing the power button.
Ruedi Walther, HB9TTU
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