7
alarm set points are automatically
changed. The user will have to
acknowledge the new oxygen alarm set
points by pressing the MODE button.
Instruments that were turned off in
dilution mode will automatically return to
dilution mode when the instrument is
started up again. The user will be
required to acknowledge the dilution
alarms.
Setting O
2
Alarms
For Dilution Mode
LOW CEIL
O
2
OFF 5.0
MODE=Acknowledge
Press the MODE button to acknowledge
the oxygen alarm settings. These alarms
are adjustable through the Alarms menu
as detailed below in section 2.3. The
Cannonball 3 will then proceed to the
current gas readings screen.
Note: Instruments that were turned
off in dilution mode will automatically
return to dilution mode upon start up
and may go into an immediate alarm
depending on the dilution alarm set
points and environment in which the
sample draw probe is located. To
quickly disable the dilution pump, see
the shortcut to disabling/enabling the
dilution pump below in section 2.2.2.
2.2 Enabling the dilution option
Cannonball 3 instruments with dilution
capability can be easily distinguished
from those without by the current gas
readings screen, which will contain a
separate line noting the status of the
dilution pump in dilution-capable
instruments.
Note: If the dilution pump status line
does not appear in the current gas
readings screen, and a dilution pump
has been installed in the instrument,
call Sperian Instrumentation for the
dilution pump initialization procedure.
O
2
LEL
20.9 0
CO H
2
S
0.0 0
DILUTION PUMP OFF
Time 6:15 RT 1:04
Current gas readings screen with
dilution pump disabled.
O
2
LEL
20.9 0
CO H
2
S
00
DILUTION PUMP ON
Time 6:15 RT 1:04
Current gas readings screen with
dilution pump enabled.
2.2.1 Conventional entry to dilution
mode
1. Enter the OPTIONS subdirectory of
the Main Menu. Only instruments
with a recognized dilution pump will
have the DILUTION option.
OPTIONS MENU
USER MODE SEC BEEP
PASSCODE LANGUAGE
DECIMAL
DILUTION
EXIT
2. Use the navigation arrows to highlight
DILUTION and press the MODE
button to confirm the selection. The
following screen will then be shown:
Turn Dilution Pump On?
YES NO
3. Press the MODE button with YES
highlighted to enable the dilution
pump.
(36 Seiten)
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