User`s guide
Chapter 5 _____________________________________________________________ User Interface 
 0403-039 
Figure 15  Hold/Save Replaced by Auto Cal 
Button Tones and Backlight 
You can turn on or off the sound effects for the buttons and the back 
light. Follow the instructions below: 
1.  Open the menu by pressing   Open. 
2. Select Settings and press  . 
3. Select User interface and press  . 
4.  To turn on or off the sound effect, select Key Click and then 
press   On/Off. 
5.  To turn on or off the backlight, select Backlight on key and 
press   On/Off. 
6.  To return to the basic display, press 
 Exit. 
Date and Time 
As a default, the time format is based on the 24-hour clock. Also a 12-
hour clock can be used. 
The default date format is day.month.year, for example, 25.4.2004. 
The date format can be changed to month.day.year. or 
year.month.day. 
For correct time and date in the recorded data files, follow the 
instructions below: 
1.  Open the menu by pressing 
 Open. 
2. Select 
Settings and press  . 
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