KS-602 is a battery-powered flushing sound generator produced by Yamazen. It can be installed on the toilet and the flushing sound can be generated by pressing the switch to cover the sound of defecation.
This manual provides step‑by‑step instructions for installing the INAX KS‑602 toilet sound device, a wall‑mounted unit that produces a water‑flow sound when the switch is pressed. It covers recommended mounting locations, wiring options, and safety precautions to ensure reliable operation.
Operating instructions describe how to activate the sound for about 20 seconds, extend it by pressing the switch again, and adjust volume using the adjustment screw. Battery replacement, cleaning, and after‑sales service information, including a one‑year warranty, are also detailed. This manual is written in Japanese.