Yaesu FT-100 Undocumented - Table of Contents

Summary of FT-100

  • Page 1

    Yaesu ft-100 undocumented compiled by pa3gmp. Printed 4 april 2004.

  • Page 2: Table of Contents

    1 table of contents m enu settings overview ............................................................................................. 3 at-11mp a utotuner ................................................................................................... 7 atas-100 a utotuning .....................

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    2 swr meter interpretation ...................................................................................... 42 up/down band switching ....................................................................................... 43 v/u mesfet pre - amp adjustment ........................................

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    3 menu settings overview nr. Function default opt. 1 opt. 2 opt. 3 opt. 4 opt. 5 remarks 1 dial pulse tuning rate 200 100 200 2 beep key and buttons on on off 3 scan mode scan restart tine stop busy tine 4 scan speed dwell time 10 ms 10 100 5 resume hold time 5 seconds 1 10 6 dw-time polling interva...

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    4 40 hf rpt shift 10m shift 0.1 0 10mhz 41 50 rpt shift 6m shift 0.5 0 10mhz 42 144 rpt shift 2m shift 0.6 0 10mhz 43 430 rpt shift 440 shift 5 0 10mhz 44 144m ars auto shift on-off on off on 45 430m ars auto shift on-off on off on 46 keyer type keyer or paddle el2 el1 el2 bug 47 dot size dot to spa...

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    5 f03 hf rx if g 98 f04 50 rx if g 112 f05 144 rx if g 108 f06 430 rx if g 82 f07 s full scale 144 f08 ssb sql 33 f09 fm n sql 88 f10 fm rf sql 56 f11 hf ic alc 23 f12 v/uhfic alc 22 f13 hf po 10w 26 f14 hf po 50w 83 f15 hf po 100w 123 f16 50 po 10w 25 f17 50 po 20w 45 f18 50 po 50w 83 f19 50 po 100...

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    6 f55 blank f56 blank f57 destina hf usa std,eu,fran,bel, ger,usa,aus,ut f58 destina v/u usa eu1,eu2,eu3,eu4, aus f59 blank.

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    7 am settings gary mitchelson, n3jpu, has done some interesting tests with the am settings and found some settings that work much better than the defaults. The parameters that sound the best are: po set to 25, mic gain to 40 to 50 and carrier level set to 225 (f51 menu). You can hear a sample of his...

  • Page 9

    8 atas-100 autotuning the tuning behavior of the atas can cause confusion unless you understand the algorithm it follows to find a good position. Normally, if the atas is installed correctly and it successfully autotunes itself, it will always go in the correct direction when you press in the tun bu...

  • Page 10: Atas-100 Disassembly

    9 atas-100 disassembly.

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    10

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    11.

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    12.

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    13 disclaimer: the following procedures can possibly void your warranty. What's in there? (and a little on how it works) the stainless steel whip is mounted on top of a loading coil (under the rubber boot). The coil consists of copper wire wound around a "grooved" fiberglass rod. Part of the reason ...

  • Page 15

    14 in. This base assembly is secured with pins and would be hard to dissemble without damaging. Inside this is an rf choke coil (i'm not sure if it is air wound or on a torrid) that makes this whole antenna dc grounded. This protects the radio from damage from whip contact with power sources, static...

  • Page 16

    15 atas-1/atas-2 settings menu item 61 is has several settings for controlling the way the atas100 antenna works. In the user manual, there are several errors describing this function. On page 14, the instructions are correct and the easiest way to remember the correct settings are: atas-1 = one ant...

  • Page 17

    16 cwid with arts the cwid feature appears to have a bug. It sends out the 'w' as a 'u' in morse code. The cwid feature, when enabled, transmits a cw identifier every 10 minutes when the radio is operating in arts mode. Here is a set of instructions on how to test if your radio is affected: go to me...

  • Page 18

    17 must show enc for the ctcss tone to go into memory. If the main display does not show enc when the frequency is put into memory, the ctcss setting is not stored. Duplexers the atas100 is designed to tune on all the bands on which the radio transmits including 2m and 70cm. This requires a duplexer...

  • Page 19

    18 cable wrapped several times around the ferrite to block common mode current from getting back into the rig. Ten meters seems particularly prone to the problem. Changing the feedline length has also helped in some cases, but this seems to move the problem around more than solving it at the root ca...

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    19 after the factory mod.

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    20 after the factory mod. The swr icon with an 'x' next to it indicates that the swr is out of range. If you see an swr icon with an 'o' next to it flash momentarily, it is an indication that the antenna has finished tuning and the swr is 'ok'. Thermal modification the cooling fans will only work du...

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    21 prior to modification.

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    22 prior to modification.

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    23 after modification.

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    24 after modification there is also a software work-around to get the fans running on 2 and 70 on rx only, by using the 'spl" button and vfo a/b to turn on the split function.: • set the vfo "a" on the rx qrg on 2m or 70cm band and vfo "b" on a tx frequency on hf or 6m. • briefly press the tx ptt (w...

  • Page 26

    25 range and don't use the cat control with the radio, then the fc-20 is reported to operate very smoothly and is well integrated with the radio. If these limitations are important to you should consider the ldg at-11 autotuner. Firmware upgrades a common question asked regarding the ft100 is whethe...

  • Page 27

    26 there is also an fcc site that has manual, schematic, and other information related to the submission for approval by the fcc. Unfortunately, this information is quite out of date since a product is normally submitted to the fcc well in advance of its actual availability and the manual is often j...

  • Page 28

    27 mic adapter powerwerx (www.Powerwerx.Com) sell an adapter to connect standard base microphones to the ft100. For the lordly sum of $30,-- you are the proud owner of a short piece of wire with a cheap connector on both ends. It might be cheaper to do it yourself. (in fact it is... Much cheaper.) h...

  • Page 29

    28 pin 1: sw 2 multi-function switching pin 2: n.C. (9600bps packet data output ft-90) pin 3: + 9 v pin 4: gnd pin 5: microphone input pin 6: sw 1 ptt, up, down the circuit below gives you ptt, up, down, acc, p, p1, and p. Don't forget that you can program the functions of p, p1 and p2 on the ft-100...

  • Page 30

    29 feedback provided to the user while sending the tones. There are also 4 buttons labeled a, b, c, and d but there is no documented use for these keys. Microphone modification this modification to the stock microphone will bring you excellent transmit audio reports: • open the mic case. • remove th...

  • Page 31

    30 • remove jumpers 1 & 2, leave 3 & 4. • remove front panel from radio and open the rear cover from the front panel unit. Be careful, a cable connects them together. Locate and remove r6035 (1) and r6036 (2) on the display board. Note: the factory removed r6035 on my radio so i only had to remove r...

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    31 output power (measured in and out of band) frequency 100% 50% 10% 0% mhz dbm w dbm w dbm w dbm w 432 43.3 21.4 39.3 8.5 33.5 2.2 30.8 1.2 145 47.1 51.3 43.2 20.9 37.4 5.5 35.2 3.3 50 49.7 93.3 45.1 32.4 42.5 17.8 35.0 3.2 28 50.0 100.0 45.3 33.9 38.1 6.5 35.0 3.2.

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    32 24.9 50.0 100.0 45.3 33.9 38.1 6.5 35.0 3.2 21 50.0 100.0 45.4 34.7 38.1 6.5 35.0 3.2 18.15 50.0 100.0 45.3 33.9 38.1 6.5 35.0 3.2 14 50.0 100.0 45.3 33.9 38.1 6.5 35.1 3.2 10.1 49.9 97.7 45.2 33.1 38.0 6.3 35.0 3.2 7 49.8 95.5 45.2 33.1 38.0 6.3 34.9 3.1 ** measured with hp432 + narda 40db atten...

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    33 140 40 141 44 142 48 143 48 144 48 145 48 146 48 147 48 148 48 149 48 150 48 151 48 152 47 153 45 154 44 155 32 156 26 157 22 158 17 159 14 160 10 162 8 163 7 164 5 165 5 166 4 167 2 168 1 169 1 170 0.5 frequency watts 420 5 421 7 422 11 423 16 424 21 425 23 426 23 427 23 428 23 429 23 430 23 431...

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    34 442 22 443 22 444 22 445 22 446 22 447 22 448 22 449 22 450 22 451 22 452 22 453 22 454 22 455 20 456 14 457 9 458 6 459 4 460 2 461 1 462 1 463 1 464 1 465 1 466 1 467 1 468 1 469 1 470 1 power connectors/line filters an excellent source for power connectors can be found at www.Powerwerx.Com. Th...

  • Page 36

    35 it is necessary to build a circuit or purchase and interface prior to using soundcard programs. There are several sources on the web that describe these interface circuits. You can find them at: • http://www.Qsl.Net/wm2u/psk31.Html • http://krasnodar.Online.Ru/hamradio/soundint.Htm • http://www.Q...

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    36.

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    37 sandor, kg4fet, has had good success using the ft100 for psk31 and recommends using the usb mode (not rtty mode). Playing around with rtty or afsk mode settings on the ft100 will only cause confusion. Sandor also used 1:1 600-ohm isolation transformers on the tx and rx lines as well as an opto-is...

  • Page 39

    38 the corner of the hood which puts it about as close as possible to the driver. Here are the results of my rf field strength measurements using a haladay hi3004 rf field strength meter when running a 100w fm signal as measured in the front seat near the driver's head: band field strength 10m 8 v/m...

  • Page 40

    39 • next, to get into the alignment mode, turn the radio off, now press the [a], [b], and [c] keys, and hold them in while you turn the radio on. Now press and hold the [func] key, as you normally would to get into the menu. You'll find that the menu is now different. • rotate the selector knob unt...

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    40 6 s7 -85 -92 s6 1 s unit high 7 s8 -79 -85 s7 1 s unit high 8 s9 -73 -73 s9 0 9 s9+20db -53 -60 s9+13db 7 db high 10 s9+40db -33 -47 s9+26db 14 db high 11 s9+60db -13 -38 s9+35db 25 db high s meter accuracy -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 -120 -110 -100 -90 -80 -70 -60 -50 -40 ...

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    41 ft100-supercontrol (http://www.Supercontrol.De) now offers a special satellite mode, that can automatically correct the transceiver with doppler shift data. The program supports the nova and satscape satellite tracking programs which are used to get the needed range rate data of the desired satel...

  • Page 43

    42 squelch settings for fm and ssb as shipped, the squelch threshold on the ft100 is the same for fm and ssb. As you change from 144 mhz fm operations to hf ssb operation it's preferable to have the squelch open up in ssb mode and then close when going back to fm mode without having to change the sq...

  • Page 44

    43 up/down band switching the up/down keys are intended to move up and down through the amateur bands according to the manual. However, several users have noticed that the radio will put additional non-amateur bands in the list if the radio is tuned to them while operating in vfo mode. Examples of n...

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    44 yaesu contacts here is the new contact information for yaesu as of april, 2002: vertex standard us headquarters 10900 walker street cypress, ca 90630 phone: 714-827-7600 fax: 714-827-8100 email addresses: amateur sales: amateursales@vxstdusa.Com amateur tech support: amateurtech@vxstdusa.Com amat...

  • Page 46

    45 ft100 menu settings entry set to description remarks.

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    46 ft100 menu settings entry set to description remarks.

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    47 ft100 menu settings entry set to description remarks.

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    48 ft100 menu settings entry set to description remarks.

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    49 ft100 menu settings entry set to description remarks.

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    50 frequency list freq. Mode memory description.

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    51 frequency list freq. Mode memory description.

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    52 frequency list freq. Mode memory description.

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    53 frequency list freq. Mode memory description.

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    54 frequency list freq. Mode memory description.