14
PREPARATION FOR USE
Changing lens/port without opening the housing
1
4
2
3
If using with vacuum valve :
remove the cap from the vacuum
valve and press the red button to
release pressure before unlocking
port lock
If using without vacuum valve,
please follow from step 2
unlock port lock and remove port
assembly
press the blue button to reset
vacuum alarm before replacing
port
reset vacuum valve system using
hand pump then close the cap
*
please refer to page 15 for complete vacuum system guidance
* drawings as illustrations only
