22May2002
Page
6
The switches are designated as follows:
ENTER:
A
magnetic switch used to enter the main
Information Routine
to view
Peak Value, Remaining Sensor Life, 15-Min. TWA (Time Weighted
Average) and Ambient Temperature (degrees C).
ENTER
switch is also
used to escape
Loop Test
in progress.
UP:
A magnetic switch used to enter
Zero Calibration
mode and increment
span calibration gas concentration. The
UP
switch is also used to proceed
with the
Loop Test
.
DOWN:
A magnetic switch used to enter
Span Calibration
mode and decrement
span calibration gas concentration. The
DOWN
switch is also used to exit
Loop Test
before generating any output.
RESET:
A magnetic switch used to reset
Peak Value
and escape
Span Calibration
mode without performing calibration.
A.
Main Information Mode
:
The
smarter
transmitter displays the following parameters when the
Information Mode
is
entered:
•
Peak Value
•
Remaining Sensor Life
•
15-Min. TWA (time weighted average)
•
Ambient Temperature (degrees C)
Upon entering the
Information Mode
the LCD display will automatically sequence through
the parameters.
To
enter
Information Mode
, momentarily hold magnet directly over
ENTER
switch until LCD display shows the
Peak Value