Industrial Scientific Ventis LS Product Manual page 19

TWA Alarm Set-point Screen
Displays the existing TWA values for the
toxic sensors installed. No other sensor
readings appear.
TWA Interval Set-point Screen
Displays the existing TWA interval.
The value can be set from one to 40
hours, in increments of one.
STEL Alarm Set-point Screen
Displays the existing STEL values for the
toxic sensors installed. No other sensor
readings appear.
Calibration Gas Set Screen
Displays the existing calibration gas value
for each installed sensor.
If any one of the sensors is not installed,
its position on the display is blank.
If NO toxic sensors are installed, the Calibration Gas
Set Screen displays.
Press ON/OFF/MODE to bypass the TWA alarm value set process
and advance to the TWA Interval Set-point Screen.
Press ENTER to begin the TWA alarm value set process.
On the display, the first sensor subject to change flashes.
Press ENTER to edit the value, if needed; press repeatedly or
hold down to speed the increment pace.
Press ON/OFF/MODE to set the value.
The next sensor subject to change flashes. Continue to
use the ENTER and ON/OFF/MODE buttons,
respectively, to edit and set each alarm value.
After the alarm value is set for each installed
sensor, press ON/OFF/MODE to advance to the
TWA Interval Set Screen.
Press ENTER to edit the value, if needed.
Press ON/OFF/MODE to set the value and advance to the STEL
Alarm Set-point Screen.
Press ON/OFF/MODE to bypass the STEL alarm value set process
and advance to the Calibration Gas Set Screen.
Press ENTER to begin the STEL alarm value set process.
On the display, the first sensor subject to change flashes.
Press ENTER to edit the value, if needed; press repeatedly or
hold down to speed the increment pace.
Press ON/OFF/MODE to set the value.
The next sensor subject to change flashes. Continue to use
the ENTER and ON/OFF/MODE buttons, respectively, to edit
and set each sensor's STEL alarm value.
After the alarm value is set for each installed sensor,
press ON/OFF/MODE to advance to the Calibration Gas
Set Screen.
Press ON/OFF/MODE to bypass the calibration gas set process and
advance to the Clock Set Screen.
Press ENTER to begin the calibration gas value set process.
On the display, the first sensor subject to change flashes.
Press ENTER to edit the value, if needed; press repeatedly or
hold down to speed the increment pace.
Press ON/OFF/MODE to set the value.
The next sensor subject to change flashes. Continue to use
the ENTER and ON/OFF/MODE buttons, respectively, to edit
and set each sensor's calibration gas value.
After calibration gas value is set for each installed
sensor, press ON/OFF/MODE to advance to the Clock
Set Screen.
Ventis™ LS Product Manual
© Industrial Scientific Corporation
19