How do I turn the sound on/off? You need to press and hold ‘ENTER’ whilst simultaneously pressing ‘2’ to change this setting. Related Posts How do I turn off the confirmation/entry sound beeps from the siren? How do I turn the sound on/off? Top Tips for Keeping Your Smart Home Safe The App says "Failed to configure device network" Conexis®L1 Beeps How long will the siren sound for when the alarm is triggered?