SubSurface Instruments LD-18 Operation Manual page 7

Precautions
CAUTION
Positively fit the battery compartment cover. If its fitting is incomplete, it may drop off while the detector
is used, permitting drop-off of batteries, and personal injury may result.
Do not swing the main body or pick-up.
Do not shelve this detector in a place of high temperature. (Failure may result.)
Do not use this detector for any application other than water leak detection.
The main body and hand-switch part are not of waterproof structure.
Do not immerse them in the water, and avoid their use in the rain. (Failure may result.)
Do not drop this detector, and do not apply strong impact to it. (Failure may result.)
Do not dismantle this detector. (Failure may result.)
Remove batteries, if it is scheduled that this detector will not be used for a long time.
Do not unnecessarily pull the pickup cable.
(Use of the pick-up may be disabled due to occurrence of wire disconnection in the cable.)
Keep watching the surrounding situation during the work.
Observe regulations of the local municipality when it is wanted to dispose this detector.
6