General
12
Switching on the instrument
The instrument is switched on and off by pressing the
key.
Display test during start up
Immediately after switching on the instrument the display shows all
possible segments dark for two seconds. Compare the display with
the picture on the right side. Do not use the instrument further if you
discover any missing segment, because wrong values could be
displayed which may lead to misreading.
The content of the display must be shown exactly like this picture
right from this text.
Power saving function
The
HDM97
switches off automatically if the battery is empty. If enabled, it also switches off after a
specified time if one of the conditions listed below becomes true for the specified time period.
•
In pressure mode: The value remains 0 for the specified time period
•
In conductivity mode: The conductivity is 0 µs/cm for the specified time period
•
In pH mode: The pH probe is not connected for the specified time period
The
HDM97
does not switch off when one of the conditions below are met
•
A computer is connected to the meter
•
The TIMER / stopwatch is running, regardless if displayed or hidden.
Displaying battery charge progress and finish
If the battery is being charged the symbol at the left top corner in the display is animated in 4 steps. There is
a delay of one second displaying each step. After the last step has been displayed the animation starts from
again like illustrated in the picture below.
➔
➔
➔
After the battery has been charged up to its maximum capacity, the inner 3 columns of the battery symbol
start to blink in a one second period as shown is the illustration below.
➔