3) Enter the password and press "OK" to confirm. If the password is correct, the indicator light Is green; if the password Is incorrect, the indicator light flashes in red. Note: digital password lock can only set a group of passwords. Multiple groups of passwords are not supported. 4. STEP 4: How to turn off/on the buzzer Press and hold the "Mute" button for 3 seconds. When you hear a long beep "di", the buzzer turns off; press and hold the "Mute" button again for 3 seconds to tum it on again.
