Barometric sensor pressure option for Yaesu VX-6R, VX-5, VX-7 and Standard Horizon HX471S
The optional Yaesu SU-1 barometric module provides both barometric pressure and altitude measuring capability, perfect for recreational use such as hiking or mountain climbing. (Not meant for navigation or personal safety applications). The VX-6R may even be programmed to monitor pressure and temperature or temperature and altitude while it is turned off! This user-installed accessory mounts under the battery compartment.