User's Manual
80
Figure 2-120 Enable two-way talk
Step 5
At the device end, speak by the speaker or the pickup, and then you can get the audio
from the earphone or sound box at the PC end.
Figure 2-121 Device to PC
2.4.2 PC-end to the Device-end
Device Connection
1. Connect the speaker or the pickup to the audio output port in the PC.
2. Connect the earphone or the sound box to the first audio input port in the device rear panel.
3. Log in to the web and then enable the corresponding channel real-time monitor.
4. Enable bidirectional talk. See Figure 2-120.
Listening Operation
At the PC-end, speak by the speaker or the pickup, and then you can get the audio from the
earphone or sound box at the device-end.
Figure 2-122 PC to device
Summary of Contents for NVR21-4KS3 Series
Page 1: ...Network Video Recorder User s Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V2 3 5...
Page 97: ...User s Manual 77 Figure 2 118 Alarm input port 1...
Page 123: ...User s Manual 103 S3 NVR41 EI NVR41 P EI NVR41 8P EI Figure 3 48 Typical connection...
Page 129: ...User s Manual 109 Series Figure 3 56 Typical connection...
Page 142: ...User s Manual 122 Figure 5 9 Unlock pattern login...
Page 156: ...User s Manual 136 Figure 5 24 AcuPick human detection...
Page 225: ...User s Manual 205 Figure 5 92 AcuPick human detection...
Page 399: ...User s Manual 379 Figure 5 268 Pattern login...
Page 436: ...User s Manual 416 Figure 5 306 File management Step 2 Click Add Figure 5 307 Add file...
Page 456: ...User s Manual 436 Figure 5 330 Shutdown 2...
Page 485: ...User s Manual...
