Panasonic CF-T5 series Operating Instructions Manual page 15

Using the Hand Strap
The hand strap is convenient for computing while standing.
To carry the computer, put your hand between the computer and the
hand strap to prevent it from falling, and firmly hold the computer
when using it.
You can adjust the length of the hand strap by the following steps.
1 Peel back the tape (A) on the hand strap.
2 Adjust the length of the band.
3 Close the tape on the hand strap firmly.
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