Prebena PKT-8-RHC40 Manual Del Usuario página 130

Operation
▶ To reduce the insertion depth, turn the setting wheel (1)
counter-clockwise.
▶ To increase the insertion depth, turn the setting wheel (1)
clockwise.
▶ Check the setting on the imprinted pictogram (2) on the housing.
Checking the insertion depth
▶ Check for the correct insertion depth as described in section
"Checking the function," page 45.
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