Front Panel and Rear Panel 51
Between touches with different
polarity
1000VAC 1minute
Between touch and winding
1000VAC 1minute
Surge voltage
Between touches with same
polarity
1500V (10×160us)
Length of open
time
3ms max
Length of close
time
3ms max
Longevity
Mechanical
50×106
MIN
(3Hz)
Electrical
200×103
MIN
(0.5Hz)
Temperature
-40
℃
- +70
℃
2.4 Bidirectional talk
2.4.1
Device-end to PC-end
Device Connection
Please connect the speaker or the pickup to the first audio input port in the device rear panel. Then
connect the earphone or the sound box to the audio output port in the PC.
Login the Web and then enable the corresponding channel real-time monitor.
Please refer to the following interface to enable bidirectional talk. See Figure 2-71.
Figure 2-71
Listening Operation
At the device end, speak via the speaker or the pickup, and then you can get the audio from the earphone
or sound box at the pc-end. See Figure 2-72.
Figure 2-72
2.4.2
PC-end to the device-end
Device Connection
Connect the speaker or the pickup to the audio output port in the PC and then connect the earphone or
the sound box to the first audio input port in the device rear panel.
Login the Web and then enable the corresponding channel real-time monitor.
Содержание DHI-NVR5208-4KS2
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Страница 255: ...Local Basic Operation 244 Figure 4 178...
Страница 256: ...Local Basic Operation 245 Figure 4 179...
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