Crest Audio CR5058 User Manual page 49

Clear residual nitrogen calculation (TISSUE CLEAR)：
You can use this function to reset the residual nitrogen calculated in
the watch.
WARNING:
1. Please make sure you fully understand that changing this
setting will affect algorithm calculations and the related risks.
DO NOT USE this function if you are not a certified diving
instructor or you are not suggested to do so by a certified
Tissue Clear
diving instructor or facility.
2. If you are an instructor or you need to rent this dive computer
to different students or customers, please make sure they DO
NOT have diving activities within the past 72 hours for
maximum safety control.
3. If you are the person who is receiving this dive computer after
using the "Tissue Clear" function, please make sure you DO
NOT have diving activities within the past 72 hours for
maximum safety control.
4. Do not use this function if you are not sure with related results.
You are responsible for your own safety.
Page 49