System Upgrade - Extech Instruments VIR50 User Manual

Selecting the Memory Type
If there is no SD card present in the VIR50, then only a single blue icon will be displayed on the LCD
screen in the top left corner.
If there is an SD card present, but the memory is being used by the device, then there will be two
icons, a chip (blue i.e. enabled), and a blank SD card icon to the right of it
If there is an SD card present, and the memory is being used by the SD card, then there will be two
icons, a chip (blank), and a blue SD card icon with the letters "SD" on it., meaning that the SD card
is being used to store memory.
System Default Setting
Use the ▲ and ▼ buttons to select either YES (revert to the factory default settings) or NO (cancel).

System Upgrade

Make sure there is an SD card present in the VIR50. Press the ENTER button, and make sure there
is a steady current powering the VIR50. Press the ENTER button again to confirm the upgrade, and
press the ENTER button one more time to begin the upgrade through the SD card.
When the update is complete, press the ENTER button to return to the home screen.
VIR50-EU-EN v2.3 5/14
12