Air-Pressure Gauge On / Off; Entering The Altitude; Fine-Tuning The Zero Of O; (Up To Software Version A 10) - Bosch ETT 008.31 Repair Instructions

4.1.6 Air-pressure gauge ON / OFF

Press
"SELECT"
6 x

4.1.7 Entering the altitude

Press
"SELECT"
7 x

4.1.8 Fine-tuning the zero of O

Press
"SELECT"
8 x
0FF5
Display
YE5 Pr.Ei
no Pr.Ei
Display
YE5 EA.Ei

(up to software version A 10)

2
Display
1732 0F.Ei
0.0
79 0F.Ei
Meaning/function
If an air-pressure gauge is built in, press the "Enter o" button
to activate the correction of pressure influence in accordance
with the values measured by the pressure gauge.
no" setting, the mean air pressure is corrected in line no no no
In the "no
with the entered altitude.
Meaning/function
The first time the analyzer is put into operation, the altitude,
rounded to the nearest hundred metres, must be entered. The
height appears in the engine-speed display field.
Enter the altitude in steps of 100 metres using the "Enter o"
or "Test u" buttons.
Meaning/function
Introduce a calibration gas consisting of at least 10% CO
no oxygen into the calibration-gas inlet.
Set the admission pressure on the bottle-pressure reducer to
0.7 bar
The millivolt display in the engine-speed display window
drops with the flow. Once the display has fallen below 80 mV,
0FF5 0FF5
0FF5" in the oxygen display window disappears. 0FF5
the display "0FF5
Zero has been found when the millivolt display in the engine-
speed display window remains constant.
and
2
13