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1.7 AUDIO INSTALLATION
This DVR provides 16 line level audio inputs and 2 line level audio output.
ATTENTION: The direct connection of a non-amplified microphone is not supported (a microphone
amplifier is required). The audio output requires an amplifier to drive a speaker or headphones.
The installation must be connected with audio coax cable and RCA plugs.
AUDIO RECORDING FUNCTIONALITY:
Audio recording is activated / deactivated in the Camera Menu for Camera #1~16 respectively. Please
check and always comply with local laws and regulations when using audio recording.
The audio channel is always recorded together with video and is independent of the image recording rate.
Though the audio record control is done in the Camera #1~16 screen, there is no specific camera
allocation.
1.8 ALARM CONTACTS INSTALLATION
The alarm inputs can be used to start recording or for recording rate adjustment. In addition, alarm
reactions such as camera display on the monitor, buzzer, e-mail and network alarm are available. The
alarm output relay can be switched if required. Alarm input response actions can be controlled according to
a flexible schedule.
1.8.1 Alarm Input Contacts
This DVR provides 16 alarm inputs. All inputs are programmable N.O. (Normal Open) or N.C. (Normal
Closed) Inputs have to be switched by dry contacts.
Alarm input with N.O. (Normal Open) contact
in idle state
All settings are programmed in the ALARM menu (Section 0).
1.8.2 Alarm Output Relay
The relay output provides either Normally Open or Normally Closed dry contacts.
Alarm input with N.C. (Normal Closed) contact
in idle state
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