154
b) Video transmission is too long or degrading is too huge.
c) Device color or brightness setting is not correct.
7. Q
：
Decoding and wall mount process are not fluent.
A
：
This may be due to:
a) Poor network environment.
b) Front-end device setup or malfunction.
c) Limit in decoding channel capacity.
d) Decoding channel malfunction.
8. Q: Video flickers on wall with interference.
A:
a) Display and matrix platform have no common grounding.
b) Video cable quality is low or too long.
9.
Q: There is no audio when monitor.
A: This may be due to:
a) It is not a power picker.
b) It is not a power acoustics.
c) Audio cable is damaged.
d) Hardware malfunctions.
10. Q: There is audio when monitor but there is no audio when system playback.
A: This may be due to:
a) Setting is not correct. Please enable audio function.
b) Corresponding channel has no video input. Playback is not continuous when the screen is
blue.
11. Q: Time display is not correct.
A: This may be due to:
a) Setting is not correct.
b) Battery contact is poor or voltage is too low.
c) Crystal is broken.
12. Q: Device cannot control PTZ.
A: This may be due to:
a) Front panel PTZ error.
b) PTZ installation is not correct.
c) Cable connection is not correct.
d) PTZ parameter setting is not correct.
e) PTZ protocol is not compatible with device.
f) The distance is too far.
13. Q: Motion detection function does not work.
A: This may be due to:
Summary of Contents for VEC0404HD-M70
Page 1: ...Video Matrix Platform User s Manual V 1 0 0 Dahua Technology CO LTD ...
Page 29: ...24 Figure 3 9 Switch to input device list Please see Figure 3 9 ...
Page 32: ...27 Figure 3 12 Step 2 Click add You will see Figure 3 13 Figure 3 13 ...
Page 65: ...60 Figure 3 54 Buzzer Buzzer rings when motion detection alarms 3 2 4 6 2 Video Loss ...
Page 69: ...64 Display is shown below as in Figure 3 59 Figure 3 60 and Figure 3 61 Figure 3 59 ...
Page 70: ...65 Figure 3 60 ...
Page 83: ...78 Figure 3 80 Click Add to add new Raid Select corresponding level Figure 3 81 ...
Page 91: ...86 Figure 4 7 Hide PTZ Console ...
Page 101: ...96 Figure 4 23 4 2 2 5 Sub Card Status View sub card fan and power status ...
Page 102: ...97 Figure 4 24 4 2 3 System Config 4 2 3 1 General ...
Page 110: ...105 Figure 4 33 4 2 3 8 NTP ...
Page 122: ...117 Figure 4 45 ...
Page 131: ...126 Figure 4 56 Group setting is as follows please see Figure 4 57 and Figure 4 58 ...
Page 137: ...132 Figure 4 65 ...
Page 140: ...135 Figure 4 69 4 2 4 7 Snapshot ...
Page 143: ...138 Figure 4 72 Figure 4 73 ...
Page 149: ...144 Figure 4 82 Step 4 Click Add See Figure 4 83 Figure 4 83 ...
