GRD Sense User manual

USER MANUAL
7” Touch Screen
Video Door Phone

Table of Contents
1. Name and Functions of Each Part...................................................................................2
1.1 Front Part....................................................................................................................2
1.2 Rear Part.....................................................................................................................3
2. Features and Functions......................................................................................................4
2.1 Features......................................................................................................................4
2.2 Main Functions .........................................................................................................4
3. Packing Contents.................................................................................................................5
4. Connection Diagram............................................................................................................6
4.1 System Layout..........................................................................................................6
4.2 Wiring Diagram.........................................................................................................7
5. Installation..............................................................................................................................9
5.1 Installation location .................................................................................................9
5.2 Wire & Monitor Installation....................................................................................9
6. Operation Description.......................................................................................................10
6.1 Main Screen.............................................................................................................10
6.2 Visitor Call................................................................................................................11
6.3 Monitor Function....................................................................................................13
6.4 Multimedia................................................................................................................13
6.4.1. Image & Video Storage .....................................................................................13
6.4.2. Image & Video Review ......................................................................................13
6.4.3. Voicemail Function ............................................................................................14
6.4.4. Photo Frame Function ......................................................................................16
6.5 Intercom Function..................................................................................................16
6.6 Telephone.................................................................................................................17
6.6.1. Call Forwarding Function.................................................................................18
6.6.2. Control the Door Station by Telephone........................................................19
6.7 Setting page.............................................................................................................19
7. Specifications......................................................................................................................24
Appendix I: Converting image for photo frame..................................................................25

1
WARNING AND CAUTION
Please make sure to follow the instructions to prevent any danger or property losses
Warning: Death or serious injury are expected
Do not disassemble, install, or repair this product on your own accord
Do not place the product near a hot or humid place
Do not forcibly bend the cord or put a heavy object on the product
Do not use water, thinner or a detergent used to wash oil products when you
wash the exterior
Do not connect to other products while in use
Make sure to clean it by using a dry cloth to prevent any breakdown or
electric shock
If the product emits a peculiar noise, odor or smoke, immediately cut off the
power, and then contact the service center
Do not put the plug in the socket with a wet hand
Caution: An injury or property losses are expected
Make sure that dust or foreign substances are not gathered on the product
Make sure to prevent foreign substances from entering the product
Avoid direct rays of the sun or heating devices at a time of installation
Install the product in a flat and stable place
Pull the plug if the product is not used for a long time
Do not unplug the TF card when recording, this generally will cause loss of
data

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1. Name and Functions of Each Part
1.1 Front Part
NO. Part Name Description
1 Power Indicator
2 Review Button Touch button for reviewing picture or video
3 Intercom Button Touch button for intercom
4 Monitor Button Touch button for monitoring
5 Talk Button Touch button for talking with visitor
6 Door Release Button Touch button for releasing door
7 Touch Screen 7 inch touch screen
8 MIC Microphone
9 Power Cable AC power cable
10 Power Switch
11 TF Card Slot Socket for TF card

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1.2 Rear Part
NO. Part name Function
12 Speaker Loud speaker
13 75ΩSwitcher Impedance matching for video signal
14 Video Input /Output CCTV1 / CCTV2 / CCTV3 / CCTV4 / video out (2 wire in
polarity)
15 DC Power 14.5V DC supply
16 Telephone Interface for the telephone line
17 Connection
Interface
Interface for door station 1/door station 2 /extensions /audio
phone

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2. Features and Functions
2.1 Features
7” TFT-touch screen, 800*480 Resolution
Support 2 door stations, 4 CCTV cameras, 1 master monitor + 3 extension monitors,
1 audio phone and 1 CCTV output
Built-in flash memory:100 pictures
Support telephone function and call forwarding
TF card: 1024 images and 128 videos
16 melodies for different door stations
Support motion detection
Leaving voice messages to family & visitors
Point-to-point intercom and broadcast
Support digital photo frame
2.2 Main Functions
Monitoring and talking with a visitor
Door lock release
Support AC/DC power input
Support multi-language
Do-not-disturb function
Date and time display
Surface mount

5
3. Packing Contents

6
4. Connection Diagram
4.1 System Layout
There are two CCTV connection modes.
CCTV connection mode 1
Each monitor can connect to different CCTV, and can only monitor the directly
connected CCTV (Extensions ≤3).
2
42
4 24 2 4
2 2 2 2
22 2 2
2 2 2 2
2 2 2 2
4 4 4
CCTV_OUT
4
4
2
Master Ext1 Ext2 Ext3
CCTV connection mode 2
Only master monitor can connect to CCTV, extensions get CCTV video from the master.
The extensions monitor CCTV by sending requests to the master. Only one monitor can
monitor CCTV at a time.
4
4
2 2 22
4 4 4
2 2 2
CCTV_OUT CCTV_IN
4
2
Master Ext1 Ext2 Ext3
2
CCTV_OUT
Master Ext.3Ext.2Ext.1
Master Ext.1 Ext.2 Ext.3

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4.2 Wiring Diagram
Please be careful to wiring on polarity.
Intercom wiring diagram with one monitor
intercom
inter power
audio phone door 1door 2extension
inter audio
video I/O
ohm
impedance matching
audio I/O
audio 2
audio 1
data I/O
video 2
video 1
VCC 2
VCC 1
GND
GND
GND
GND
video out
CCTV 4
CCTV 3
CCTV 2
CCTV 1
1
2
Intercom
VCC
GND
Audio
Video
VCC
GND
Audio
Video
VCC
GND
Audio
Intercom wiring diagram with master monitor and extensions (pay attention to the impedance matching switch)
intercom
inter power
audio phone door 1door 2extension
inter audio
video I/O
ohm
impedance matching
audio I/O
audio 2
audio 1
data I/O
video 2
video 1
VCC 2
VCC 1
GND
GND
GND
GND
video out
CCTV 4
CCTV 3
CCTV 2
CCTV 1
intercom
inter power
audio phone door 1door 2extension
inter audio
video I/O
ohm
impedance matching
audio I/O
audio 2
audio 1
data I/O
video 2
video 1
VCC 2
VCC 1
GND
GND
GND
GND
video out
CCTV 4
CCTV 3
CCTV 2
CCTV 1
intercom
inter power
audio phone door 1door 2extension
inter audio
video I/O
ohm
impedance matching
audio I/O
audio 2
audio 1
data I/O
video 2
video 1
VCC 2
VCC 1
GND
GND
GND
GND
video out
CCTV 4
CCTV 3
CCTV 2
CCTV 1
(Master monitor) (Extension 1) (Extension N N≤3)
...
Intercom
VCC
GND
Audio
Video
VCC
GND
Audio
Video
VCC
GND
Audio
1
2
1
2
1
2

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CCTV connection mode 1
Each monitor can connect to different CCTV, can and can only monitor the connected CCTV.
ohm
impedance matching
video out
CCTV 4
CCTV 3
CCTV 2
CCTV 1
1
2
CCTV connection mode 2
Only the master can connect to CCTV, extensions get CCTV video from the master. The extensions monitor CCTV by sending requests to the master.
Only one monitor can monitor CCTV at a time (pay attention to the impedance matching switch).
...
(Extension N N≤3)(Extension 1)(Master monitor)
ohm
impedance matching
video out
CCTV 4
CCTV 3
CCTV 2
CCTV 1
ohm
impedance matching
video out
CCTV 4
CCTV 3
CCTV 2
CCTV 1
ohm
impedance matching
video out
CCTV 4
CCTV 3
CCTV 2
CCTV 1
1
2
1
2
1
2

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5. Installation
5.1 Installation location
Monitor installation location
Standard monitor installation height is about
1,500mm where screen center is at eye level; in
this case, wall-hanging metal center is 1,450mm
above ground level.
5.2 Wire & Monitor Installation
1) Push down the button with screwdriver
2) Put the wire into the hole from the bottom
3) Release the screwdriver
4) Check the fastness of the wire
5) Remove wall-hanger bracket behind monitor
6) Install wall-hanger bracket
7) Connect wires to back terminal of monitor,
referring to connection diagram
8) Hang monitor on wall-hanging, and fix
monitor on wall-hanger bracket
9) Plug monitor’s power plug into power socket

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6. Operation Description
6.1 Main Screen
It will show corresponding functions when pressing each icon on main screen.
Icon Definition:
Home/Leaving/Do Not Disturb
enter [Camera] enter [CCTV] page
enter [Video] page enter [Image] page
enter [Voicemail] page enter [Photo Frame] page
enter [Intercom] page enter [Telephone] page
enter [Setting] page turn off screen
In [Leaving] mode, when door station calls in, the monitor will play the voicemail to
visitor, if the voice message is recorded and been set in the [Setting] page. In [Do not
Disturb] mode, when door station calls in, the monitor will be mute.
Remark: To set the voicemail, please see 6.7

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6.2 Visitor Call
When door station calls in, the visitor’s image will be shown on the monitor screen
(on-screen duration 90 seconds).
Icon Definition:
back to [Main Screen] talk
switch between door stations
and CCTVs record video
adjust display parameters call transfer manually
open the door turn off screen
When a door station calls in, press [Talk] to start to talk; press [Talk] again to terminate
the talk.

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During the talk:
¾press [Change] to switch to other door station or CCTV, and the current talk will
be terminated.
¾press [Record] to record a video clip or capture a picture from the calling door
station, depending on the system setting (see 6.7).
¾press [Setting] to adjust the sound volume, brightness, color and contrast.
¾press [Transfer] to transfer the current call to other extension monitors.
¾press [Open] to release door.
¾press [Exit] or [Home] to end the talk.

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6.3 Monitor Function
When you press the [Camera1]/[Camera2] or [CCTV1]/[CCTV2]/[CCTV3]/[CCTV4]
icon on main screen, the system will enter monitor mode, and will show image from the
corresponding door station/CCTV.
Remark: The [Transfer] buttons will be in disable status under monitor mode.
6.4 Multimedia
6.4.1. Image & Video Storage
If you insert TF card, monitor can record image and video, if you do not insert TF card,
monitor can only record image.
Maximum Capacity: TF card: 1024 images and 128 videos
Built-in flash memory: 100 images
When full, the newest image/video will automatically overwrite the oldest image/video.
6.4.2. Image & Video Review
Press [Image] or [Video] on main screen, you can review the image/video. There are 6
Images/Videos in one page. The image/video with white borderlines means that the
image is selected.
Icon Definition:
return to [Main Screen] switch between TF card and flash memory
show previous page zoom in/out image and video

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show next page delete the selected image/video
You can press the icon or on the top left corner to switch
[Image]/[Video] review mode.
6.4.3. Voicemail Function
Audio Message Record
Press [Voicemail]on main screen to record an audio message.
Icon Definition:

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return to [Main Screen]
List: view audio
message
leave a voice message
for family
leave a voice
message for guest
Press [For Guest] / [For Family], enter the recording page to record voice message.
Monitor support up to 30s for each message.
Review Audio Record
Press to review records.
Icon Definition:
return to [Main Screen] play previous clip
play play next clip
delete
/: Switch between family message list and guest message
list.
Remarks:
Up to 32 messages for family and 2 messages for guest. When full, the
newest message will automatically overwrite the oldest message
This function can be supported with TF card only.

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6.4.4. Photo Frame Function
Press [Photo Frame] on main screen, monitor will play the image one by one
automatically.
Icon Definition:
return to [Main Screen] show previous image
display image show next image
delete
Remark: Only photos with specific format can be shown in the photo frame.
To convert the photo, please see Appendix I.
6.5 Intercom Function
Press the [Intercom] icon on main screen, choose the monitor you want to call, and
then press [Call], and then you can talk with the corresponding monitor.

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Icon Definition:
[Inner Call] call the audio phone
[Ext. 1] call extension monitor 1
[Ext. 2] call extension monitor 2
[Ext. 3] call extension monitor 3
[Master] call master monitor
[Broadcast] call all monitors
: In the [Intercom] page, you can enable/disable [Mute] function, and
adjust the volume.
To set intercom address: please see [Setting] Æ[Intercom].
6.6 Telephone
The Monitor can support telephone function:
Make and receive a telephone call
Transfer the call from door station to a specific mobile phone or fixed phone and
control the door station via telephone.

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Icon Definition:
enable/disable [Mute] function
adjust volume
enable/disable call forwarding function
[Call Forwarding] function is enable
reset phone
redial
6.6.1. Call Forwarding Function
To use call forwarding function, you need set a forwarding telephone number, please
take the following steps:
1. Press [Telephone] icon on main screen, enter [Telephone] page
2. Set a telephone number you want to forward:
*1* ÆPhone Number Æ# ÆOK
Remark: The tel. number should be within 20 numbers.
3. Check the telephone number:
*2* Æ# ÆOK