Black & Decker MULTI-GAS DETECTORS Manuel d'utilisateur Page 49

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BW Defender2
User Manual
38
User Options
Upgrade a 2 or 3 Gas Unit
A 2-gas (O
2
, LEL) or 3-gas (O
2
, LEL, H
2
S) detector can be
upgraded in the field to a 3 or 4-gas unit. Install the desired
H
2
S or Twin Tox (CO/H
2
S) sensor. Then, in the User Option’s
Sensor Menu, enable the newly installed sensor(s).
Sensor Enable or Disable
a
aa
a Warning
Disabling an installed sensor configures the
detector to a one, two, or three gas unit. No
protection is now provided for the gas targeted
by that sensor(s).
Disabling a sensor should be performed with extreme caution.
In the event a sensor fails, Sensor Disable can be used to
turn off the sensor fail alarm. The sensor should be replaced
and enabled as soon as possible.
To disable a Sensor enter the User Options Menu (page 14).
Disabling/Enabling a Sensor
Select the sensor H
2
S, CO, LEL, or O
2
to be enabled or
disabled. The detector will function normally with remaining
enabled sensors. The sensor may be enabled again at any
time.
To disable (or enable) the H
2
S
sensor reading, press when the
display advises:
The display then advises the H
2
S
Sensor is OFF.
To enable H
2
S sensor repeat above
sequence. The display advises H
2
S
Sensor is ON.
Repeat the sequence for CO, LEL (combustible) and O
2
.
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