Canon VB-M640VE Network Camera VB-R11VE/VB-R11/VB-R10VE/VB-M641VE/VB-M641V/VB- - Page 107

Abnormal Audio Input Triggered Operation Settings [Event] > [Audio Detection] R11 M641 M741 Audio input from the microphone connected to the camera, such as loud noises or screams, or when expected audio input ceases, can trigger operations such as video recording or e-mail notification. Important For notes on use of volume detection, please refer to "Precautions for Built-In Camera Functions and Included Software" (P. 9) in "Safety Precautions". Note You can check the audio detection status on the Admin Viewer Event Display panel (P. 185). Setting Page 4 Volume Detection An audio detection event will be triggered when audio input volume is detected exceeding or falling below the reference volume setting. Set the conditions for triggering a volume detection event and the operations to perform according to an event. Important Volume detection is temporarily disabled when an event causes the playback of a sound clip or when audio is transmitted from the Viewer. [Volume Detection Event] Select whether to use volume detection event. [Detect Criteria] Select the criteria for triggering a volume detection event. [Reference Volume Level] Enter the reference sound level to be used for detection. Set the reference volume level by performing an actual test while checking [Current Volume Level] before configuring the setting. [Current Volume Level] The current volume level appears on the status bar. The level set in [Reference Volume Level] is indicated by a red mark. Volume below the reference level appears in blue, that above the reference level appears in red. 107