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Vacuum valve:
Vacuum valve is pre-install to the housing for conducting a vacuum seal test. Please refer to
the manual of the vacuum valve for details of the operation.
LED status identification:
On start up
LED indicator
Status
Flash “Blue” light once
Indicates a 2nd generation PCB
Steady "Blue" light
Battery is normal, goes into flashing "Blue"
light standby mode after 5 seconds.
"Blue" and "Red" lights
alternating
Battery low. Replace battery as soon as
possible. Goes into standby mode after 5
seconds.
Steady "Red" light
Battery empty, replace battery.