USGlobalsat GB-580_GB-580P Training Gym Pro Instructions Manual - Manual (Page 25)

Software Instruction Manual
Page 25
Press Update to get new firmware
Are you sure you want to update device, you wil lose all device data , Press OK
(If you need save old data of device, please save it before you update new firmware)
4.6-4 Unit Exchange
There are three measurement units for selection. (Metric, Mile system, Nautical)
Step :2