Vion A4000.2 Instructions

on/off
"No bullshit" - instructions for the Vion A4000.2 electronic barometer/barograph
Power
There are 3 ways to power the A4000.2.
- Batteries. 4 pieces AA alcaline batteries. The batteries will last around 5 months. If you use the backlight 2.900
times for 20 seconds the battery life is reduced to 4 months.
- USB. The USB connector is located on the left hand side.
- 12 Volt can be applied through the dedicated 12 Volt connector on the left hand side. A 12 Volt connector with
cable is included with the unit. The cord with the white stripe is to be connected to the positive (+) on your power
supply. The unit will function if you supply as little as approximately 6 Volt on the 12 Volt input.
When supplying power using the USB or the 12 Volt connector you may leave the batteries inside as backup.
If the remaining power in the batteries is low the BATTERY LOW icon will switch on, even if USB or 12 Volt power
supply is present.
Switch the A4000.2 barometer on using the on/off switch on the left side.
If you switch it off all data in the memory is lost - don't worry - it's not your life's history that's lost.
Initial setup
Switching A4000.2 on displays shortly the instructing text "Please proceed with initialization".
Then "SET" is displayed and you can choose:
Langue (language), heure (hour, time), unités (units), altitude, pression (pressure) and OK.
Select "langue" press the OK button and if you want English then select "anglais" using the + button and press OK.
If you already now are quite annoyed over the buzzer sound go directly to the OK using the + or - buttons and
press the OK button. Now press the orange MODE button for a while and select "buzzer".
Adjust volume to zero "0". What a relief!
Warning: This also disables the audio signal for alarms!
Getting back to the SET menu hold down the MODE button for a while and select "set".
Now you can continue the initialization; set the time and date, the units for pressure, altitude and temperature. Press
the return button (MEM.) to get back to the SET menu.
Now choose altitude and pressure or get back to this later...