Instructions

Warning!

Before starting the upgrade, make sure that:

• 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 and hold both keys "U_INPUT"" and "Error ON" denoted by (1).
2. While holding both keys press the ON/OFF key, denoted by (2).
3. Release all keys.

Step 2

1. Connect A 1632 to PC using RS 232 serial communication cable.

Step 3

1. Select the correct COM port.

Step 4

1. Click the Continue button.