Samsung Shs-3321 Manual Repack Jun 2026

: You can adjust the beep volume or mute the lock by pressing [REG] followed by 3 and choosing 1 (Mute) , 2 (Low) , or 3 (High) + [*] . Common Troubleshooting

: This is the low-battery alarm. Replace all four AA batteries immediately. samsung shs-3321 manual