CAUTION: this note was recently received from PY2JQP: Date: Sat, 10 Oct 1998 11:45:57 -0300 From: US SYSTEM ELECTRONICS LTDA To: editor@qrz.com Subject: DANGER DANGER !!!! YAESU FT-920 MODS The software package FT920.ZIP is only FT920 European Version ! This software damage the EEPROM program of radio!!! Need change 2 chips and the price in USA is U$286,00 per part Not use the software for RS-232 port. TNX , 73 the PY2JQP / Flavio Synthes ----------------------------------------------------------- FT-920 Transmit Frequency range expand [A] Environment 1. Computer 286 (12MHz), MS-DOS 3.1 or later 2. RS-232C (Straight 9 ways type) cable 3. Software (att0274.EXE, GEN-TBL.TXT) [B] Frequency expand programming procedure 1. Connect the FT-920 and the computer using RS-232C straight cable 2. Press and hold [STEP] key and [LOCK] key on the FT-920 then Turn the power switches on. (Display 000000 blinking at the MSD) 3. Type "0761161" to the pass word form ten keypad then press [ENT] key (You will hear beep sound and display back to frequency as the normal operation.) 4. Press [MENU] key (Get into MENU mode) 5. Select "F-SS (Destina)" then [ENT] (Display will show the current setting) 6. Select "OUTSIDE" rotating sub-DIAL knob for clockwise, followed [ENT] key. (Stop blinking of "OUTSIDE" display) 7. Press [MENU] key. (Display backs to the frequency mode.) 8. Insure that you can not transmit on any frequency ( if you can stop here do not go on your systems outside table in your eprom is already programed, going any farther will result in damage to your radio.) 9. Turn the computer switch ON. 10. Insert the frequency expand DISK to the computer DRIVE A:\ 11. Set MS-DOS mode prompt 12. Type "A:" 13. Check the DISK typing "DIR". (att0274.EXE, GEN-TBL.TXT) 14. Type "att0274 gen-tbl.txt") then RETURN (If you are connecting to the RS-232C COM2 port so you must type "att0274 gen-tbl.txt /C" then RETURN) 15. You will see "TX Table Write Complete" when the expand programming installation is completed. YEASU FT920 With the radio off, press[STEP] and [LOCK] (under VFO-A) and hold these two keys in while you turn the raido on. Now release the two keys. Enter the following password: 0761161, then press [ENT]. Press [MENU],Rotate VFO B though the "U" settings till you get to the "F" Menu (F-01 F-35). Adjustments VR 1003 FM MIC GAIN VR 1009 TX GAIN POWER ADJ VR 1010 TX GAIN POWER ADJ VR 1011 VHF POWER SSB/FM VR 1012 10 WATT ADJ VR 1013 50 WATT ADJ VR 1014 AM POWER VR 1015 LOW POWER ADJ 1-15 WATTS VR 1016 HF POWER SSB/FM *AM MODULATIONS IS ADJUSTED BY THE F MENU SYSTEM F MENU DEFAULT SETTINGS F-01 01.10 CPU VERSION F-02 1.29 DSP VERSION F-03 FIN01.19 TUNER VERSION F-04 OFF TUNER CLEAR F-05 OFF TUNER PLATE ADJUSTMENT F-06 OFF TUNER WRITE TO THE TUNERS MEMORY F-07 OFF TUNER MOVEMENT TO CENTER F-09 237 AM MODULATION F-10 131 IF SHIFT CENTER SLOT F-11 63 SSB SQL ADJUSTMENT F-12 147 FM SQL ADJUSTMENT F-13 89 TX GAIN 160M F-14 71 TX GAIN 80M F-15 63 TX GAIN 40M F-16 61 TX GAIN 30M F-17 73 TX GAIN 20M F-18 80 TX GAIN 17M F-19 75 TX GAIN 15M F-20 74 TX GAIN 12M F-21 77 TX GAIN 10M F-22 88 TX GAIN 6M F-23 TESTOFF TESTING TX POWER OUTPUT AND ADJUSTMENT F-24 187 ENC-NDV CTCSS encoder narrow deviation F-25 168 ENC-WDV CTCSS encoder wide deviation F-26 207 DTMFDEV Dual Tone deviation F-27 0.075 LSB REC.CALL F-28 0.075 LSB TX.CALL F-29 0.000 LSB PROCESSOR F-30 0.028 USB REC.CALL F-31 0.028 USB TX.CALL F-32 0.000 USB PROCESSOR F-33 OUTSIDE DESTINA (TX OUT OF BAND)'USA' DEFAULT F-34 OFF JA 20W SETTING LOWER TX POWER TO 20 WATTS F-35 970719C SER/NUMBER ;------------------------------------------------------- ; ; GEN Transmition Table Enable ; Tx ;------------------------------------------------------- 00000000 ;<00> 00.000.000MHz 01800000 ;<01> 01.800.000MHz on 54000000 ;<02> 54.000.000MHz -1 ;<03> End Max Freq. =1A