Replacement Of Batteries; Instrument Transportation; Key Functions - Dostmann pH 7 Vio Manuel D'utilisation

• Replacement of batteries

The instrument works with 3 AA 1.5V batteries.
To proceed with the replacement:
1. Turn off the instrument.
2. Turn the instrument over with the display facing down and place it on a stable surface.
It is advisable to put a cloth to avoid any scratching on display.
3. Using the screwdriver supplied, completely unscrew the screw close to the battery symbol.
4. Remove the battery stopper cap with the help of the lanyard.
5. Remove the 3 exhausted batteries and insert the new ones. Pay attention to the correct polarity.
Follow the diagram above the battery symbol in the rear compartment of the instrument.
6. Reinsert the battery stopper cap; always hold it with two fingers, insert the screw and tighten.

• Instrument transportation

The instrument is always supplied with the appropriate carrying case. Use
only, to transport the instrument. If you need to buy it again, contact your local distributor.
The interior of the case is shaped to be able to house the instrument and the sensors still connected.

• Key functions

Button Press Function
Press to turn the device on or off.
Short
• In calibration mode and press to return to measure mode;
Short
• In measure mode, press to start the calibration.
In measure mode, press to enter the setup.
In the setup menus, press to select the desired program and / or value.
Short
During calibration, press to confirm the value.
In the setup and sub-setup menus press to scroll.
In the setup submenus, press to change the value.
Short
In MTC and customer calibration mode, press to change the value.
In measure mode, keep one of the two keys pressed to change the temperature
in MTC mode (manual compensation, without probe). When the value starts to
Long-Press
flash, the user can change the temperature value by entering the correct one
(3s)
and confirming with
In measure mode, press to scroll through the different parameters:
• pH 7 Vio: pH  mV  ORP
Short
• COND 7 Vio: Cond  TDS
• PC 7 Vio: pH  mV  ORP  Cond  TDS
IMPORTANT:
When the Sleep mode is active (by default after two minutes of inactivity of the
•
instrument) press any key to reactivate the brightness of the display.
Only at this point do the keys regain their function.
•
Series 7 Vio ENG Version 2.0 April 2020
.
12
the original case
EN