Witschi ProofMaster - Page 58

Use
58 / 112 28.03.2022
ð When the remaining time is 30seconds or less, the time
display will turn red, indicating that the watch must be
removed from the water to avoid the risk of water
penetrating the watch.
d) Once the leak is located, the number of bubbles decreases or
30seconds remain, remove the watch from the water and press
to end the countdown on the ProofMaster.