Yaesu VR-500:
-Miniature High-performance monitoring station
-Multiple power source capability
-Wide band, Multi-mode frequency coverage
  -frequency coverage from 100 kHz through 1300 MHz
  -NFM,WFM,AM,NAM,SSB(USB,LSB),CW
-Direct keypad frequency entry
-Tough polycarbonate case
-Real-time BandScope
-Full illumination for display and keypad
-Computer interface

Manual/files:
-Yaesu VR-500 Manual
-Yaesu VR-500 Brochure
-VR-500 switch

Pictures:
-Detail
-VR-500+antena
-VR-500 vs VX-5R
Narrow AM (NAM) receive mode
To enable NAM, hold down the 0, 3, 5 and 9 keys while the radio is off and continue
to press them while turning the radio on. Go into the Set Menu and note the addition
of items 33 and 34 (Narrow AM and User Port).
Mod: Enabled hidden option (NAM)
Computer Interface
-Electric scheme: MAX232 version, Tranzistor version (mods.dk)
-MAX232 datasheet
-Software for Yaesu VR-500: tk500 (web)
-My backup: mem-vr500-2005-12-08