# Instructions

### Warning!

Before starting the upgrade, make sure that:

- The instrument data is backed-up.
- The batteries are fully charged.
- The upgrading procedure is not interrupted in any way.

As failing to do so, may cause the instrument to malfunction.

## Step 1

1. Press power on/off button to turn the instrument on.

Instrument turned off.

## Step 2

1. Using an USB or a RS232 cable, connect the instrument to the PC.

USB and RSR232 connectors.

## Step 3

1. Select the correct COM port. (Hint: for an USB connection the port name is Measurement instrument USB VCOM Port.

Communication port selection.

## Step 4

1. Click the continue button.

Continue button.