Bosch IR LD 1.0 CO2 Manual Del Operario página 28

6.4.1 Automatic mode
In Automatic mode (default), after
alarming, if an increased concen-
tration of refrigerant is not detect-
ed, the detector will automatically
reset the baseline detection level
after approximately 3 seconds.
 The IR LD 1.0 will now only
alarm when it detects higher
concentrations.
To return to maximum sensitivity
(for the selected sensitivity level):
¶
Move the probe tip in to fresh
air for a few seconds.
i
In Automatic reset mode the A
icon will appear in the lower
left of the screen (see Fig. 7).
A
Fig. 7: Automatic reset mode icon
(shown at High sensitivity)
6.4.2 Manual mode
In manual mode, if refrigerant is
detected, the IR LD 1.0 will con-
tinuously alarm until: either the
baseline level is reset (see Section
6.4.3), or until the probe is moved
away from the refrigerant source.
To activate Manual mode:
¶
Press the Mode selection but-
ton (see Fig. 2; item 7).
 The M icon will appear in the
lower left of the screen (see
Fig. 8).
Bosch Automotive Service Solutions GmbH
Operating instructions | IR LD 1.0 | 27 | en
M
Fig. 8:
6.4.3
To reset the baseline and the
alarm in Manual mode:
¶
Briefly press the Sensitivity
button.
 A reset arrow will appear
above the M icon (see Fig. 9).
M
Fig. 9:
i
The reset arrow remains visible
until a new baseline is set; the
length of time the reset arrow
remains visible depends on the
concentration of refrigerant.
i
It is best to wait for the
reset arrow to clear before
proceeding.
6.5 Searching for leaks
1. Expose the sensor to fresh air
for 3-5 seconds.
2. Slowly move the probe tip into
the test area.
 If refrigerant is detected, the
IR LD 1.0 will alarm.
Manual reset mode icon
Manual mode reset
Manual reset mode icon with
reset arrow
SP01502142 | 14.03.2022