Operation
9/24
5.2.
Switching on
Before switching on you have to check all the electrical connections to make sure they are
correct. On completion of the installation, the device can be switched on by applying the
power supply.
5.3.
Starting sequence
During the switching-on process a segment test is performed for approx. 1 second,
whereby all LEDs on the front (including alarm LEDs) are triggered. After this, the type of
software is indicated for approx. 1 second and then, also for 1 second, the software version.
After the starting procedure, the unit changes to operation/display mode.
5.4.
MIN/MAX-memory
The measured minimum and maximum values are saved in a volatile memory in the unit
and get lost when the unit is switched off.
You can call up the contents of the memory by pushing (less than 1 second) the [
S
] or [
T
]
key. The relevant value is indicated for approx. 7 seconds. By briefly pressing the same key
again, you will return immediately to the display mode.
[
▲
]
⇒
Display of the MAX value
[
▼
]
⇒
Display of the MIN value
You can erase the value shown in the display by simultaneously operating the [
▲
] & [
▼
]
keys. The erasure is acknowledged by horizontal bars.
The content of the memory is lost when the unit is switched off.
5.5.
Overflow and Underflow
An
overflow
of the display is indicated by horizontal bars
at the top
of the 7-segment
display „ ¯ ¯ ¯ ¯ “.
An
underflow
of the display is indicated by horizontal bars
at the bottom
of the 7-segment
display „ _ _ _ _ “.