STARTER 300 Portable pH Meter EN-15
5.4
Self-diagnosis
Press and hold
and
simultaneously until the meter displays the full screen. Each
icon blinks one after the other.
This checks whether all icons are correctly shown. The next step is to check that the keys are
functioning correctly. This requires user interaction.
When
b
blinks, five icons are displayed.
Press the five keys in any order. Each time you press a key an icon disappears from the
screen, continue to press the other keys until all the icons have disappeared.
When the self-diagnosis has been completed successfully,
PAS
appears. If self-diagnosis fails,
error message
Err 1
appears. In this case, repeat the self-diagnosis.
Note:
You have to finish pressing all five keys within
2 minutes
, otherwise
Err 1
appears and you
will have to repeat the procedure.
5.5
Recover factory settings
When the meter is off, press and hold
&
&
together for 3 seconds, the
screen displays “RST” and blinks, press
to reset factory settings (MTC, slope and
offset, etc.).
Press
to switch off the meter.
