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Default Push Button Functions
On Mode
•
Normal operation
•
Alarm enabled
•
TWA logger active
•
ABC algorithm disabled
Push the button until the display shows "tESt", then release the
button.
The unit will then perform a full self-test sequence
showing the LEDs and buzzer response for the alarm
setpoints
. After the test the unit is in On Mode.
Power Off
•
TWA logger data will be
reset.
From On Mode, push the button until all front panel leds are
turned off. While pushing the button the unit will pass through the
mode "CALb". If you accidentally release the button too early,
just push the button once to reach On Mode and try again.
CALb Mode
•
TWA logger on hold
•
ABC algorithm enabled
From On Mode, push the button until the display shows CALb,
then release the button. This will activate the Automatic Baseline
Calibration ABC that requires 5 hours to complete one calibration
cycle. The instrument continues to execute calibrations every
four hours as long as it is left in CALb mode. Intended for
overnight charging in fresh air, with minor calibration adjustment
automatically performed.
To get back to On Mode, just push the button once.
Back light & Application
Function Execution.
Can be turned on temporary by pushing the button. The
backlight is turned off after 8-16 seconds. Application function for
"standard" default setting is just backlight.
Acknowledge Alarm
In alarm and pre alarm states, pushing the button resets the
sounding buzzer for 5 minutes at a time.
On Mode
Off Mode
"CALb"
Push Button
Release Button
Explanation
Off Mode
"tESt"
On Mode
On Mode
" CALb"
