[Or.PPM] = Overrange ppm (e.g. defective electrode).
[Or.%]
= Overrange % (e.g. defective electrode).
[Or.°C]
= Overrange °C (measured degrees out of range).
[no dAtA] = Data-logging memory empty.
[not.CAL] = Calibration procedure interrupted (the previous calibration
remains valid!).
[Err.°C]
= Temperature probe not connected.
[Err.Prb]
= Zero-point too large (e.g. defective membrane).
[Err.Stb]
= Electrode not stable during a calibration.
[Err.CAL] = Calibration error (check electrode & standard solutions).
[Err.COM] = General communication error.
[Err.Prt]
= Communication error with the attached printer.
[Err.bAt]
= Battery charger defective (disconnect the AC-cord
immediately from the mains, remove the batteries and have
your instrument serviced!)
[Err.MEM] = Fatal memory error (all factory settings are cleared. Have
your instrument serviced!).
[ILLEGAL] = An unauthorised person has failed to repair the unit.
Warranty is elapsed from now on!
SET-UP
The built-in beeper can be programmed to sound each time a key-path
is pressed.
1.
Select the set-up procedure by pressing MODE.
2.
Press CAL until you can choose with
[bEEP OFF]. Decide whether or not the beeper should sound each
time the keyboard is touched.
3.
Press CAL to continue or press MODE to cancel.
An audible alert can be given when the displayed values stray outside a
programmable high- and low-level.
1.
Select the set-up procedure by pressing MODE.
2.
Press CAL until you can choose with
[ALrM PPM] or [ALrM %]. Select [ALrM OFF] if no alarm is required.
Press CAL.
3.
The display shows e.g. [L=4.00PPM] or [L=60.0%]. Select the desired
minimum level with
measurements are below this level, the beeper will sound an alarm.
4.
The display shows e.g. [H=6.00PPM] or [H=80.0%]. Select the
desired maximum level with
are above this level, the beeper will sound an alarm.
5.
Press CAL to continue or press MODE to cancel.
or
or
or
and press CAL. Each time the
or
. Each time the measurements
between [bEEP on] or
between [ALrM OFF],
Error codes
Beeper
Alarm
3