12SPECIAL KEY PRESSESAction Method DisplayFactory Reset Press and Hold Volume LED will turn red and thenUp Key on Power On. flash three times. VisoOne will then continue toinitialize.Toggle the IR Channel Press and Hold Volume LED will flash three timesDown Key on Power On. for IR Channel 1 and twotimes for IR Channel 0.Change Near/Far Filter 1. Hold down the Sync key LED indication describedfor 5 sec. After 5 sec the on the left.Power indicator flashescontinuously.2. While Power indicator isflashing, press Volume Upto set to far field or VolumeDown to set to near field.Unit remains in Field Modeand Power LED remainsflashing.3. No activity for 5 sec willdefault back to normalmode and power indicatorstops flashing.Firmware Upgrade 1. Put VisoOne_v1XX.hex LED indication describedonto a USB stick and on the left.rename it to viso1.hex.The bootloader searchesfor a file called viso1.hex.2. Connect USB stick tothe USB socket (using anadapter cable P/N10-00003-ND).3. Hold SYNC key whileturning on the Viso One. Ifit finds a file calledviso1.hex it will blink theLED as it is upgrading.When it is done it willautomatically start runningthe new code.