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User’s Manual
DVR-4TH/8TH/16TH Series
SPECO TECHNOLOGIES 07/10
57
4.7 Manual Digital Deterrent
Besides presetting the digital deterrent function in OSD setup menu, users
can also manually trigger digital deterrent function via front panel control. To
do so, press the Digital Deterrent (D.D.) key and the menu will be displayed:
Manual Digital Deterrent
PRESS THE DESIRED CHANNEL TO
TRIGGER DIGITAL DETERRENT.
← DD Source: Follow Event Setup →
ENTER: SEND TO ALL CHANNEL
ESC: Exit
Use LEFT/RIGHT keys to select source files from <Follow Event Setup>,
<Default Sound>, or <Sound_N>, where N can be chosen from 1 to 50. Press
any channel key to manually trigger digital deterrent at that specific channel
site. Alternatively, press ENTER to trigger digital deterrent at ALL channel
sites.
4.8 2-Way Audio Talk Function
2-way audio talk function enables the DVR site to communicate with the
camera site. To initiate communication, press and hold any channel key for 2
seconds. When the communication starts, below message will be shown on
the screen:
2-WAY AUDIO
YOU ARE NOW COMMUNICATING WITH CHANNEL
02
At this time, users will be able to hear audio from the camera site, even if the
audio output setting is disabled in the OSD setup menu. To start speaking to
the camera site, press and hold the D.D. key. Once the D.D. key is released,
the audio from the camera site will be heard again.
To terminate 2-way audio talk, press the same channel key or press ESC.
NOTE: 2-way audio talk function is not available for channel 1.