Subject: FT-900 Frequency Expansion Information Yaesu U.S.A. Amateur Products Division Technical Support Model: FT-900 Date: 24 August 1994 Original Freq. Range: 160-10M (Ham) New Freq. Range: 1.8-29.99MHx TX Important Notice Regarding Disclosure Restrictions This information is autorized for distribution only to individuals who are members of the U.S. Military Affiliate Radio System, Civil Air Patrol, or other government services specifically permitted by the FCC to use non-type accepted equipment such as that utilized in the Amateur Radio Service. Release of this information to individuals not bearing a license in the MARS, CAP, or other such service is not authorized by Yaesu USA. 1. Remove the two screws from the top cover, and the two screws from the top rear area of the rear panel, so as to allow the top cover/heat sink to be slid slightly toward the rear. The objective is to be able to see into the CNTL-1 Unit, which is the inside part of the front panel (not the detachable sub-panel). 2. Locate test points TP3001 and TP3002 on the CNTL Unit. They are located near the top edge of the board, in the center from left to right. With the transceiver still turned off, connect a jumper (alligator clip is ok) between these 2 test points. 3. Hold in the following 4 buttons: [PROC], [ATT], [IPO], and [NB]. While holding them in, turn the transceiver on. Release the buttons. 4. The display will indicate OFF. Turn the VFO dial slowly until the display reads ON. 5. Press the [PROC] button to write the new instructions to EEPROM. 6. Remove the jumper across the test points. 7. Replace the case screws. Mod is now complete.rea of the rear panel, so as to allow the top cover/heat sink to be slid slightly toward the re