61
9 Hardware menu
pump
No
Yes
9.7
Setting pump operation
This function only applies to pump instruments. Pump instruments
have the
letter P
on the identification sticker on the back.
If the pump of an
EX-TEC OD 4/GM 4 (pump)
fails, you can switch
it off and continue to use it as a diffusion instrument
(though the
probes cannot be used)
:
z
the last set condition is dis-
played
z
press one of the
cursor keys
to select one of the condi-
tions:
Yes
(pump active)
No
(pump inactive)
z
press the
on/off key
to save
the set condition
9.8
Carrying out an LCD test
The LCD of your
EX-TEC OD 4/GM 4
has a matrix display. This
test checks whether it is fully functional.
The test pattern that it generates enables the failure of individual
pixels to be rapidly detected.
z
briefly pressing the
on/off key
starts the LCD test