• You can now help support WorldwideDX when you shop on Amazon at no additional cost to you! Simply follow this Shop on Amazon link first and a portion of any purchase is sent to WorldwideDX to help with site costs.
  • Notice: You may not use this site to facilitate the unauthorized selling of copyrighted material including, but not limited to, in the public dxForums, dxGallery, dxChat and private messsages. If you get caught doing this, you will be permanently banned with no second chances. A notice will be placed on the site of why you were banned and any information collected by this site about you will be made known to the copyright holder.

YAESU MH-48 DTMF MIC LOCK all KEYS except PTT for FT-2800 etc


Jul 23, 2010
initially FT-2800M come with UP, DOWN, KEY lock with LOCH switch ON.
but, this modifies to lock all KEY , except PTT to prevent accidentally change, memory CH, etc. from Microphone key

see attached PDF file


  • yaesu--MH-48--DTMF--microphone--lock-switch.pdf
    1.9 MB · Views: 1,028

Help Users
  • No one is chatting at the moment.