50
—
—
Next setting
Turn on or
off
Revisit start-
up settings
Access
menus or
exit settings
Figure 4.2.B Navigating and editing start-up settings
Operation menu
Control how the instrument will behave during operation.
Permit or prohibit all-user access, during operation, to each of the items listed below.
Utilities:
o
Zero the installed sensors.
o
Calibrate the instrument.
o
Bump test the installed sensors.
o
View and optionally clear each summary reading (peak, TWA, or STEL).
Note
: When an instrument
operator clears any summary reading, the value is reset to zero and its time-related setting is also
reset to zero.
Note:
If a CO
2
sensor is installed, it will be zeroed along with any other installed sensors
only if
the
"Zero CO
2
" setting is on.
Information:
o
The instrument's current assignments for user, site, or both
o
A maintenance message about scheduled docking or calibration activities
o
The gas information for all installed sensors: the values for the gas alert and alarm setpoints, and
the calibration gas and concentration
Set this functionality
Permit or prohibit all-user access to the instrument's LENS Wireless peer list.
Permit or prohibit the use of iAssign accessories during operation.
Permit all-user power off or set the instrument for "always-on" operation*.
Set the instrument to display the ambient air temperature in Celsius or Fahrenheit.
*Always-on functionality also requires a valid security code setting (see the settings menu 6.0 Admin).