Dahua VTH1500B-S User manual

7” Analog VTH User’s Manual
V.1.2.0

Important Safeguards and Warnings
Please read the following safeguards and warnings carefully before using the product in order
to avoid damages and losses.
Note:
Do not expose the device to lampblack, steam or dust. Otherwise it may cause fire or
electric shock.
Do not install the device at position exposed to sunlight or in high temperature.
Temperature rise in device may cause fire.
Do not expose the device to humid environment. Otherwise it may cause fire.
The device must be installed on solid and flat surface in order to guarantee safety
under load and earthquake. Otherwise, it may cause device to fall off or turnover.
Do not place the device on carpet or quilt.
Do not block air vent of the device or ventilation around the device. Otherwise,
temperature in device will rise and may cause fire.
Do not place any object on the device.
Do not disassemble the device without professional instruction.
Warning:
Please use battery properly to avoid fire, explosion and other dangers.
Please replace used battery with battery of the same type.
Do not use power line other than the one specified. Please use it properly. Otherwise,
it may cause fire or electric shock.
Special Announcement
This manual is for reference only.
All the designs and software here are subject to change without prior written notice.
All trademarks and registered trademarks are the properties of their respective
owners.
If there is any uncertainty or controversy, please refer to the final explanation of us.


Table of Contents
Chapter 1 General Introduction..................................................................................4
1.1 Product Appearance...........................................................................................4
1.2 Buttons................................................................................................................5
1.3 Indicator...............................................................................................................6
1.4 Port......................................................................................................................7
Chapter 2 Installation.................................................................................................9
Chapter 3 Basic Function Introduction.....................................................................11
3.1 Main Menu.........................................................................................................11
3.2 Bidirectional Talk with Management Center.......................................................12
3.3 Visual Bidirectional Talk with Door Station.........................................................12
3.4 Monitoring Function...........................................................................................12
3.5 Unlocking Function............................................................................................12
3.6 DND Function....................................................................................................12
3.7 Viewing Announcement.....................................................................................13
3.8 Alarm Function ..................................................................................................13
3.8.1 Arming/Disarming Function.............................................................................13
3.8.2 Alarm Message and Reporting Function.........................................................13
3.8.3 Alarm Output ..................................................................................................14
Chapter 4 FAQ ........................................................................................................15
Appendix 1 Technical Specifications........................................................................16
Appendix 2 Toxic or Hazardous Materials or Elements............................................17

Chapter 1 General Introduction
1.1 Product Appearance
The product is classified into the following models. Please see Figure 1-1, Figure 1-2,
Figure 1-3, Figure 1-4 and Figure 1-5.
Figure 1- 1 VTH150xA Figure 1- 2 VTH150xAH
Figure 1- 3 VTH150xB

Figure 1- 4 VTH150xAS
Figure 1- 5 VTH150xCS
1.2 Buttons
Figure 1- 6
The buttons are illustrated in Figure 1- 6. Their descriptions are shown in Chart 1- 1.
For different 7”analog VTHs, their button locations may vary, but the function of buttons
with same label is identical.

No.
Name
Description
1
SOS
Under any interface, press this button can call management center. If you
are in menu, press SOS to return to previous menu.
2
Menu or Arm
Press the button to enter menu and continue pressing this button to go to
next menu. Under standby, you can long press for 2s for menu or 5s to
disarm
3
Call
Press the button when being called, you can answer call; press the button
during a call, you can hang it up.
Under standby status, long press call button for 5s, you can turn on or turn
off DND (if it is already on).
4
Monitor
Monitor door station video. Under standby status, you may press this
button to view announcement if available, and you may press this button to
view alarm info if available.
5
Unlock
Press this button during incoming call, calling, and monitoring, you can
unlock corresponding door station.
Chart 1- 1
1.3 Indicator
The indicators are illustrated in Figure 1- 7 and Figure 1-8.
Figure 1- 7 VTH150xA
Figure 1- 8 VTH150xCS
Some 7 ” analog VTH only have power and info indicators, and their shapes vary among
different models. Please see Chart 1- 2.
No.
Name
Description
6
Power
Power works as usual, light on;
7
Info
When there is no announcement or alarm info, light turns on if
arm; light turns off if disarm;
When there is announcement but no alarm info, light flashes
slowly.
When there is alarm info, light flashes intensely.
8
Network
When communication with door station is normal, light turns on;
if there is abnormality, light turns off. Only VTH1500A has
network indicator.
9
DND(Do not
When DND is on, light remains on; when DND is off, light

disturb)
remains off. Only VTH1500A has DND indicator.
Chart 1- 2
1.4 Port
For different 7”analog VTHs, their port locations may vary, but the function of ports with
same label is identical. Please subject to actual product.
The device interface is shown as follows, please see Figure 1- 9 and Figure 1- 10.
Figure 1- 9
Please see Chart 1- 3.

No.
Name
Description
1
Alarm Interface
8-ch alarm, 2-ch GND.
2
Communication Port
Power, control signal and A/V differential signal
included.
3
Earphone Interface
Only models with earphone have this interface.
Chart 1- 3
Figure 1- 10
No.
Name
Description
Note
1
Alarm input
port
6-ch alarm input
N/A
2
Alarm output
port
1-ch alarm output
N/A
3
COM
Power, control signal and A/V
differential signal included.
Convertor is provided by
default.
This VTH supports two
methods of power supply,
which may via COM port or
power port. Select either
one.
If supply via power port, and
dial switch 1 and 2 are at
ON, VTH can supply power
to VTO.
4
Power port
Power to VTH.
5
Dial switch
Control if supply power to villa
VTO.
Chart 1- 4

Chapter 2 Installation
Here makes VTH1500AH as an example.
Step 1. Fix installation bracket on wall with four screws (ST3 x 18).
Step 2. Fix device onto bracket, with bucket. See Figure 2- 1.
Figure 2- 1
Note:
Device center to ground shall be 1400mm to 1600mm.
Try to avoid exposing VTH to bad environment, such as condensation, high temperature,
greasy dirt, dust, corrosion, direct sunlight and etc.
If there is abnormality after you plug in network cable, you should unplug it immediately
and unplug the device from power supply. You may plug in the device to power supply
after troubleshoot.
Device installation and test must be done by professional staff. If there is any malfunction

or failure, please do not try to dismount or fix it by yourself, and please contact after-sales
department for assistance.