User's Guide

POLI User’s Guide
18
The purpose of a bump test is to ensure that the instrument’s sensors respond to gas and
all the alarms are enabled and functional.
The selected sensors and their values are shown on the screen. With gas connected to the
instrument, start a multiple bump test by pressing [+/OK]. If you do not want to perform
a multiple bump test, press [ /↓].
Note: You can abort a multiple bump test by pressing [ /↓] once testing has started.
When the Multi Bump test is done, a screen is shown, with the sensor names and either
‘Pass’ or ‘Fail’ shown next to them.
5.2.2.4 Set Span Value
In the process of modifying a value, the function of [+/OK] key can be switched between
number increase and decrease by pressing the [+/OK] and [ /↓] keys together. Then
press [+/OK] to increase or decrease numbers.
You can individually set the span gas value for each sensor. Press [ /↓] to scroll through
the list of active sensor names. Then press [+/OK] to select one. Set the span value by
pressing [+/OK] to increase a value.
Once your span value is input, press [ /↓] to advance to the next sensor in the list, press
[ /↓] to advance and highlight ‘OK’, press [+/OK] to register the change.
5.2.2.5 Enable/Disable Sensor
You can turn sensors on or off via this set of submenus. An ‘X’ in a box to the left of a
sensor’s name indicates it is turned on.
1. Press [ /↓] to advance down the list of sensors.
2. Press [ /↓] to select/deselect a sensor.
3. Press [ /↓] until ‘OK’ is selected.
4. Press [+/OK] to save your selection and exit.
5.2.2.6 Calibration Intervals