
Displaying stored data
The device has a ring buffer for 16 data records.
Fig. 4: Displaying stored data
1. Data record (n01 ... n16)
2. Year
3. Month/day
4. Time
5. Measured variable (e.g. chlorine,
dependent upon the device ver‐
sion)
6. Value in mg/l
1.
With the device switched on press the
[!] key for more than 4 seconds then
release the key again
ð
The display immediately switches to the memory menu.
2.
Press the
[MODE] key to scroll through the 16 data records
3.
Press the
[ZERO/TEST] key to scroll through the values of a data record
4.
Press the
[!] key to return to the [METHOD] display
Display background lighting
Press the
[!] key
ð
The display's background lighting switches on or off.
During measuring the background lighting switches off automati‐
cally.
DT4B commissioning
14