ARTHUR HOLM AH24DB2 User manual

User Guide
Danish craftmanship
Mediterranean soul
Technology Serving Desing
AH24DB2
HDCP compliant retractable monitor for furniture integration
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TABLE OF CONTENTS
EC REGULATIONS AND SECURITY 6
SAFETY INSTRUCTIONS 6
SYSTEM DESCRIPTION 8
CONTROLS 10
OSD MENU 13
INPUT CONNECTORS 15
AHNET PROTOCOL 17
INPUT RESOLUTIONS 21
INFORMATION ON DISPOSAL 22
WARRANTY TERMS AND CONDITIONS 23

WELCOME
Thank you for purchasing an ARTHUR HOLM product.
Our product range has been designed for a seamless integration and for
a maximum reliability.
Please, read this installation and operating instructions carefully and keep
them in a safe place for future reference.
We remain at your entire disposal if you have any suggestions that would
help us improve our products.
Henrik Holm
General Manager
[email protected]

ABOUT US
The Company
Arthur Holm has its origins in the Danish furniture designer Jorgen Alex
Jensen, who was active during the sixties and the seventies. His design
inspiration and his concept of ergonomics have been continued by his
family, who is the design force behind Arthur Holm product range. The
result of combining Scandinavian design tradition with Mediterranean
creativity, exibility and emotion is a wide product range built on more
than 25 years of craftsmanship.
Arthur Holm offers a professional product range where tomorrow’s
technology is shaped into valued materials with design exibility and
customisation, specially created to enhance communication in reception,
collaboration, conference and meeting areas.
The art of customisation
Arthur Holm offers a range of ingenious products whose designs are based
on quality materials and the latest technology. Products which endow
meeting and conference rooms with silent, ergonomic, innovative and
aesthetic solutions that integrate into the furniture, hang from the walls as
works of art or are used as interactive points of information.
The world of Arthur Holm
Arthur Holm offers a selection of unique, elegant, versatile, exible and
ergonomic products that are being used in meeting and conference
rooms, reception areas, huddle rooms, control rooms, auditoriums and
public zones of leading companies throughout the world.
The numbers speak for themselves! We currently own 33 product patents,
have presence in over 45 countries with products and solutions inmore
than 25,000 installations.
It will be our pleasure to work with you, designing your unique and
personalised environment. Our broadcast electronic engineers will
provide the latest technology while our design team will offer you the most
exclusive appearance.
Our team puts its heart, passion and pride in all our designs.

6
SAFETY INSTRUCTIONS
Plugs
• Do not dismantle any part of the monitor power connector.
• Disconnect the power plug from the AC outlet when the monitor is not
going to be used for an indenite period of time.
Power and extensions cords
• Use the appropriate power cord with the correct plug type.
• Do not overload wall outlets or power cords.
• Make sure the total ampere passed through a extension cord does not
exceed the maximum allowed by the cable used.
• Do not place anything on the power cord.
• Do not locate this product where a person may walk or trip over the
cord.
EC REGULATIONS AND SECURITY
ATTENTION: Do not disassemble or modify the device in any way.
This symbol warns of the presence of dangerous un-insulated
voltages inside some of the components, of sufcient magnitude
to expose people to risk of electronic shock.
This symbol draws attention to important use and maintenance
instructions in the manual that accompanies the unit.
This symbol indicates that the equipment conforms to the norms
established by the European Community.

7
Wiring connected to hazardous voltage requires installation by
qualied personnel or the use of ready-made exible cables.
For your security, your equipment must be connected to an
electrical outlet with grounding connection protection.
Since the plug is used to disconnect the device, the operating
electrical outlet must be in an easily accessible place.
Environment
• Install the equipment on an elevated, at surface.
• Install the equipment in a ventilated area.
• Avoid exposing the equipment to:
∙Rain or water
∙Excessive heat, cold or humidity
∙Area exposed to direct sunlight
∙Dirty areas
∙Equipment generating strong magnetic elds
• Avoid placing open containers of liquid, near the equipment.
• Keep a minimum distance of 30 mm in order to have good ventilation.
• Never place above the device any sources of ames such as lighted
candles, etc.
• If you are using the device in extreme weather conditions and/or
tropical climates, the equipment should be installed in a room which
ensures a reasonable level of temperature and humidity.
• To prevent damage the equipment must be rmly anchored to the
surface, as shown on the installation instructions.
SAFETY INSTRUCTIONS

8
SYSTEM DESCRIPTION
Applications
The DynamicB2 system is a professional TFT display with an elegant
housing and an electrical lift system for installation into a horizontal
furniture surface.
On the starting position (retracted) the screen is placed inside the table
leaving the desk free of any obtrusive elements. When in this position,
the power will automatically be disconnected in order to safe energy
and preserve panel life.
By pressing the button located on the right side, the TFT panel raises into
the working position. The TFT power is then restored.
This TFT-LCD product range is specially designed for desk integration at:
∙Conference rooms ∙ Meeting rooms ∙ Board rooms
∙ Auditoriums ∙ Information desks ∙ Training rooms
Features
• TFT Active Matrix display 24", 4K.
• Retractable monitor with electrical engine for furniture integration
and tilting screen.
• Up/Down function operated by one button.
• Up/Down for external contact close (GPI), or RS422 control.
• Low power consumption.
• Low Radiation.
• Quick response time.
• Data inputs HDMI1, HDMI2, DP1, DP2 & VGA.
• Monitor housing made of solid mechanised aluminium in anodised
nish, and front glass.
• Electrical powered lift system with variable speed.
• Addressable RS422 monitor control by AHnet protocol, RJ45 connector
CAT5.

9
Box Contents
Before the installation of your motorised monitor, please check the
contents of the shipping box, it must contain the following items:
• Monitor
• Power cord
• Remote control (1 per 5 monitors)
• Power supply 100-240Vac, 50-60Hz. Output 12V
• User guide
Important note: This device can only work with the power supply
included in the shipping box. This power supply can not be replaced by
any other rather than the original one.
Connections
Before connecting the power:
1. Install the unit on a table or desk, in vertical position.
Power connection:
1. Plug the power cable from the power supply into an AC socket of
100-240 Vac, 50-60Hz.
2. Plug the 12Vdc cable into the socket on the unit.
Signal connection:
1. Use the HDMI inputs to connect a HDMI signal.
2. Use DPs inputs to connect a Display Port signal.
Caution! Never use this monitor in horizontal position.
SYSTEM DESCRIPTION

10
CONTROLS
Remote control
POWER Switch ON/OFF the monitor
MENU Activates the OSD menu on screen
UP Cursor control up on the OSD menu
DOWN Cursor control down on the OSD menu
LEFT Cursor control left on the OSD menu
SEL Selects the function on the OSD menu
SOURCE Selects the input source signal
Monitor address
Below the monitor, there is a screen to set-up the monitor. Press the UP
or DOWN buttons to change the function. Press the OK button to select
the function. Change the parameter using the UP or DOWN buttons
and press OK again to save the changes.
AHNET ID Selects the number AHnet ID to RS422 to externally
control the monitor
INPUT SELECT Selects the input source signal (HDMI1, HDMI2, DP1, DP2)
BRIGHTNESS Conguration of the monitor brightness level
CONTRAST Conguration of the monitor contrast level
BACKLIGHT Conguration of the monitor backlight level
STATUS INFORMATION List of the monitor status to service

11
CONTROLS
IR sensor
The IR sensor is located on the lower right side of the screen.
Monitor movement controls
On the upper panel body, and in front of the glass, there is a button to
control the UP and DOWN monitor movements.
Retracting the monitor:
It is recommended that no objects or parts of the body that could
obstruct the retracting movement of the display, are not on the top of
the cover plate.
To retract the monitor display, press the button when the monitor is
raised.

12
CONTROLS
Tilting the screen:
When the monitor is up, permanent press the button to control the tilt
screen angle. Pressing and holding this button makes the monitor tilt
up and down in a cycle. Release the button when the monitor is at the
desired angle.
Raising the monitor:
It is recommended that no objects or parts of the body that could
obstruct the raising of the display, are not on the top of the cover plate.
Press the button to raise the monitor display.

13
OSD MENU
Accessing the menu system
Press the MENU button to access to the OSD on screen.
Picture
∙Backlight: Adjusts the backlight level
∙Brightness: Adjusts the brightness level
∙Contrast: Adjusts the contrast level
∙Sharpness: Adjusts the sharpness
Display
∙Auto adjust: Auto adjusts the image position on screen, only for ARGB
signals
∙Horizontal position: Horizontally adjusts the image position on screen, only
for ARGB signals
∙Vertical position: Vertically adjusts the image position on screen, only for
ARGB signals
∙Clock: Adjusts the image clock, only for ARGB signals
∙Phase: Adjusts the image phase, only for ARGB signals
∙Disp rotate: Rotates the image on screen (0, 180, LR Mirror, UD Mirror)
Colour
∙Gamma: Adjusts the picture gamma (OFF, 1.8, 2.0, 2.2, 2.4)
∙Temperature: Adjusts the colour temperature (9300, 7500, 6500, 5800,
sRGB, user)
∙Colour Effect: Adjusts the colour lter (Standard, Game, Movie, Photo,
Vivid, user)
∙Hue: Adjusts the image HUE

14
OSD MENU
Advance
∙Aspect ratio: Adjusts the image aspect ratio on screen (Full, 16:9, 4:3, 5:4,
1:1)
∙DP option: Set-ups the DP input signal (D0: 1.1, 1.2 / D1: 1.1, 1.2)
∙Ultra HDR: Selection of the HDR mode (OFF, AUTO, HDR 2084)
∙Dark enhance: ON, OFF
Audio
Not used on this project
Other
∙Reset: Resets to factory values
∙Menu time: Adjusts the OSD on screen time
∙OSD H position: OSD window horizontally position adjust
∙OSD V position: OSD window vertically position adjust
∙Transparency: OSD window transparency adjust
∙Fan control: No function
Information
Signal input information

15
INPUT CONNECTORS
12V D.C.: Power supply input connector. XLR-4 connector.
- 1,2: Ground
- 3,4: 12Vdc
GPI: Monitor external contact close control. SubD9 female.
1. GPI1 +
2. GPI1 –
3. GPI2 +
4. GPI2 –
5. GPI3 –
6. GPI3 +
7. N.C.
8. +12Vdc (600mA max.)
9. Ground:
- Use GPI1 (1:12Vdc, 2: Ground) to open the monitor
- Use GPI3 (6:12Vdc, 5: Ground) to close he monitor
Termination: Activate (ON) the termination ONLY, on the last unit of the
RS422 bus.
AHnet: RJ45 CAT5 connector for addressable RS422 control. There is a loop
through connector to use as signal RS422 output. Up to 30 monitors can be
connected on the same RS422 bus.
Service: Used for rmware upgrade.

16
INPUT CONNECTORS
VGA: VGA input signal connector
DP2: Display port input signal connector
DP1: Display port input signal connector
HDMI2: HDMI input signal connector
HDMI1: HDMI input signal connector

17
AHNET PROTOCOL
Communications protocol
COMMUNICATION RS422
CONNECTION RJ45
WIRING CAT-5
Speed and conguration
BAUD RATE 38400
DATA BITS 8
PARITY NONE
STOP BITS 1
Wiring Diagram
1. Data TX +
2. Data TX –
3. Data RX +
4. NC
5. NC
6 .Data RX –
7. NC
8. NC
Connection
PINS 1 & 2 The units respond
PINS 3 & 6 The units receive instructions
Protocol to control the monitor by addressable RS422 bus.
You can connect up to 30 monitors on the same RS422 bus.
You can use the AH Interface Ethernet, to control the RS422 bus.
The units should have a set address and the address must start by 1.
Maximum cable length between ends, 500 m/1640 ft.
RJ-45

18
AHNET PROTOCOL
AHnet protocol
Using 5 bytes communication:
BYTE 0 START BYTE
BYTE 1 ADDRESS BYTE
BYTE 2 COMMAND BYTE
BYTE 3 VALUE 1
BYTE 4 VALUE 2
Commands
COMMAND DESCRIPTION RESPONSE
FA XX 01 01 00 GO UP FB XX 01 01 00
FA XX 01 00 00 GO DOWN FB XX 01 00 00
FA XX 02 01 00 SCREEN ON FB XX 02 01 00
FA XX 02 00 00 SCREEN OFF FB XX 02 00 00
FA XX 03 00 00 HDMI1 SELECTION FB XX 03 00 00
FA XX 03 03 00 HDMI2 SELECTION FB XX 03 01 00
FA XX 03 02 00 DP1 SELECTION FB XX 03 02 00
FA XX 03 04 00 DP2 SELECTION FB XX 03 03 00
FA XX 03 01 00 VGA SELECTION FB XX 03 04 00
FA XX 04 01 00 BUTTON LOCK FB XX 04 01 00
FA XX 04 00 00 BUTTON UNLOCK FB XX 04 00 00
FA XX 14 00 00 INQUIRY CONTROL BYTE FB XX 14 CB1 CB2
XX Number of the monitor address. Up to 30 monitors for each
RS422 BUS
CB1 Response in 8 bits of the monitor status
CB2 Response in 8 bits of the monitor status

19
AHNET PROTOCOL
CB1
BITE 76543210
CLOSED 1 1 0 1
OPENED 0 1 0 1
SCREEN ON 1
SCREEN OFF 0
HDMI1 1 1
HDMI2 1 0
DP1 0 1
VGA 0 0
PROTECTION STOP 1
MONITOR OK 0
CB2
BITE 7 6 5 4 3 2 1 0
BUTTON LOCK 1
BUTTON UNLOCK 0

20
AHNET PROTOCOL
Picture Commands
COMMAND DESCRIPTION RESPONSE
FA XX 15 00 00 ASK FOR BACKLIGHT LEVEL FB XX 15 00 ZZ
FA XX 16 00 00 ASK FOR CONTRAST LEVEL FB XX 16 00 ZZ
FA XX 17 00 00 ASK FOR BRIGHTNESS LEVEL FB XX 17 00 ZZ
XX Number of the monitor address.
Up to 30 monitors for each RS422 BUS
ZZ Level of the function selected (00 – 99 Dec)
COMMAND DESCRIPTION RESPONSE
FA XX 15 01 ZZ SET BACKLIGHT LEVEL FB XX 15 01 ZZ
FA XX 16 01 ZZ SET CONTRAST LEVEL FB XX 16 01 ZZ
FA XX 17 01 ZZ SET BRIGHTNESS LEVEL FB XX 17 01 ZZ
XX Number of the monitor address.
Up to 30 monitors for each RS422 BUS
ZZ Level of the function selected (00 – 99 Dec)
To send an order to all the monitors, you must use the address:
249 Dec. (Byte1)
F9 Hex. (Byte1)
In this case, the units do not send a reply.