1] Install the programmer tool.
2] Run the Programmer tool.
 3] Click FILE > OPEN HEX.
4] Locate the G.P.S.CLOCK firmware file (gps-clock_fw_x-xx.hex).
5] Connect the G.P.S.CLOCK to your computer using the USB port on the side of the    G.P.S.CLOCK.
6] Do not worry if your O/S does not instantly detect the G.P.S.CLOCK.
7] Locate the ‘unmarked’ hole on the rear cover of the G.P.S.CLOCK.
8] Using a non conductive probe press the programming button located under the rear cover. 
9] At this point the G.P.S.CLOCK should establish a USB connection to the computer and download the firmware from the Programming tool. 
10] After a few seconds you will see the G.P.S.CLOCK reboot and display the downloaded firmware version on the first page displayed on boot up. 

