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Setting Up Triple Plus+ and Triple Plus+ IR
3.2 Configuration Options
LIGHT:
Configures the backlight timeout option to be NEVER TIMEOUT, 10 MINS.,
20 MINS., 30 MINS., or ALWAYS ON. Whatever option is selected, the backlight
will always come on when the instrument is in alarm.
DISPY
Display mode. Configures the instrument display mode, with one of the follow-
ing options: Normal, Average, Off, TWA Toxic, Peak Hold. These are described in
the section III Operation. Note: the action of the BUTTN option below.
ALARM
Alarm mode. User can select one of the following: ALL ACTIVE, TWA ONLY,
INSTANT.
Within this option, the instrument may be set up to acknowledge different
toxic gas alarm types. Instantaneous mode INST (INSTANT) sets the instrument
to alarm as soon as threshold toxic gas level is reached.
TWA mode will cause the instrument to ignore temporary excursions above
instantaneous alarm thresholds but to go into alarm instead when the SHORT
TERM or LONG TERM exposure levels have been reached. ALL ACTIVE enables
both TWA and instantaneous alarm types but allows the user to silence instan-
taneous alarms (see section 2, Operation).
‘ZERO’
When this option is selected, the instrument will give the prompt ‘ZERO ALL?’
Only if you are sure that the instrument is in clean air and all sensors have set-
tled down to a steady output should YES be pressed. The Triple Plus+/Plus+ IR
then calculates offset correction and gain factors necessary to make toxic and
flammable gas channels read zero and oxygen channels read 20.9%. Following
a successful zeroing, there is the option to END the set up and return to moni-
toring, or to CONT to continue with setting up.
PUMP
Turns the pump on and off. Options are GO and STOP.
START
Selects functions to be enabled at start up (instrument switch on). Options are:
NOTHING, ZERO, LOG, ZERO & LOG.
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