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
replace port assembly
then reset vacuum valve system
using hand pump and close the
cap after
*
please refer to page 15 on complete vacuum system guidance
* drawings as illustrations only
