The interface is switched off during normal operation. To activate it, hold down the REL/PC (Log/◄)
button (10c) for 2 sec with the device switched on. The activation is indicated by the interface symbol
. To deactivate it, hold down the REL/PC (Log/◄) button for approx. 2 sec or turn off the DMM.
21. SOFTWARE INSTALLATION
1. Insert the CD into the CD-ROM of your computer.
2. The installation will start automatically. If not, please go to your CD-ROM directory, and open the
installation file "autorun.exe".
3. Select your desired language from German, English and French.
4. Follow the instructions on the dialog box, select the destination for the installation and complete
the installation.
5. For further information, please refer to the operating instructions on the CD provided.
6. The enclosed software is the Voltsoft standard edition. The professional version (Voltsoft PRO, No.
10 13 33) is an optional item which you can purchase separately. If you purchase the professional
version, you will get the license key. Follow the steps in the Voltsoft user manual, to register and
upgrade your software to the professional version.
7. Voltsoft software updates to the latest version of the Voltsoft program are available when the
program is running and the Internet is connected; or check for the latest Voltsoft update via
"http://www.conrad.com"
22. DISPLAY BRIGHTNESS
1. The brightness of the display can be set in steps. Hold down the H/LIGHT (+/COMP) button (10a)
for approx. 2 sec to switch between the three brightness steps.
2. You can activate or deactivate the energy saving mode for the display in the SETUP menu. The
energy saving mode is active on the device by default.
3. If the energy saving mode is switched on, the display brightness will be automatically reduced
during inactivity. If the device is not operated for 15 seconds, the display brightness will switch from
the highest brightness level to the middle level. After another 15 seconds of inactivity the display
will switch from the middle level to the lowest level.
4. With the measuring device switched on, hold down the SHIFT/SETUP button (3) for approx. 2 s.
will appear on the display. You are now in SHIFT mode.
5. Hold down the SHIFT/SETUP button again for approx. 2 sec to open the SETUP menu.
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6. Now press the SHIFT/SETUP button several times until the menu item "AUTO BRIGHTNESS" is
selected. An asterisk symbol * to the left of the menu item shows that the menu item is selected.
7. Press the REL/PC (Log/◄) or MAX/MIN (View/►) button to select "ON" or "OFF".
8. The "ON" setting means that the energy saving mode is activated. The brightness of the display
will be automatically reduced during inactivity.
9. The "OFF" setting switches off the energy saving mode.
10. Hold down the SHIFT/SETUP button for approx. 2 sec to save the setting and exit the SETUP
menu. You will also exit SHIFT mode.
23. MAINTENANCE AND CLEANING
a) General
Calibrate the multimeter annually to guarantee the accuracy of the multimeter over a longer period
of time.
The measuring device is absolutely maintenance-free except for occasional cleaning and the
replacement of fuses.
You can find the fuse and battery replacement instructions below.
Regularly check the technical safety of the device and the test leads, for example
damage to the housing, pinching of the test leads, etc.
b) Cleaning
Always observe the following safety instructions before cleaning the device:
Live components may be exposed when covers are opened or components are
removed, except if this can be done by hand.
The connected lines must be disconnected from the measuring device and all
measuring objects prior to cleaning or repairing the device. Turn off the DMM.
Do not use cleaning agents which contain carbon, petrol, alcohol or similar substances for cleaning
purposes. These could corrode the surface of the measuring device. Furthermore, the fumes are
hazardous to your health and explosive. You should also not use sharp-edged tools, screwdrivers, or
metal brushes or similar for cleaning.
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