ARTHUR HOLM AH 18D3 RHDGA RV User manual

User manual
AH18D3 RHDGA RV
Electrically motorised monitor for furniture integration. Vertical and
horizontal working positions

Table of contents
EC REGULATIONS & SECURITY 6
SAFETY INSTRUCTIONS 7
APPLICATIONS 8
FEATURES 8
BOX CONTENTS 8
CONTROLS & INPUT CONNECTORS 9
OSD MENU 14
AHnet PROTOCOL 17
INPUT SIGNALS 20
PRODUCT WARRANTY 23

Welcome
Thank you for purchasing an ARTHUR HOLM product.
Our product range has been designed to create the perfect meeting room,
where the screens are a part of the interior design as well as essential
communication tools.
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

6
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 sufficient 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.
This symbol indicates that the equipment has some potential entrapment
hazard parts

7
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 indefinite 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
Wiring connected to hazardous voltage requires installation by qualified
personnel or the use of ready-made flexible cables.
For your security, your equipment must be connected to an electrical
outlet with grounding connection protection.
The operating electrical outlet must be in an easily accessed place.
ENVIRONMENT
– Install the equipment on an elevated, flat surface
– Install the equipment in a ventilated area
– Avoid exposing the equipment to:
Rain or water
Excessive heat, cold or humidity
Areas exposed to direct sunlight
Dirty areas
Equipment generating strong magnetic fields
– Avoid placing open containers of liquid, near the equipment
– Keep a minimum distance of 30mm in order to have good ventilation
– Never place any sources of flames, such as lighted candles, etc. above the device
– 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 firmly anchored to the surface,
as shown in the installation instructions
- When the monitor is closed, the maximum static load is 15Kg /33 lbs

8
System Description
APPLICATIONS
The AH18D3 RHDGA system is of a professional TFT display with an elegant
housing and an electrical system for installation into a horizontal furniture
surface. The mechanism offers both vertical and horizontal working positions.
With the push of a button, the monitor is lifted to be used vertically.
FEATURES
- TFT Active Matrix display, 18.5" FULL HD
- Retractable monitor with electrical engine for furniture integration. Vertical
and horizontal working positions
- Up/Down function operated by buttons on the cover plate. Monitor close
button, memorise screen position button and input select button
- Low power consumption
- Low radiation
- Quick response time
- Data inputs DVI-I & DVI-D. HDCP compliant
- Addressable RS422 monitor control by AHnet protocol, RJ45 connector
CAT5
BOX CONTENTS
Before the installation of your monitor, please check the contents of the
shipping box, it must contain the following items:
- Monitor unit
- Power supply 100-240Vac, 50-60Hz. Output 12V . Power cord
- Remote control
- User Manual

9
Controls & Input connectors
MONITOR 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 close the monitor with the
screen facing down
- Use GPI2 (3:12Vdc, 4: Ground) to lower the monitor,with the
screen facing up
- Use GPI3 (6:12Vdc, 5: Ground, ) to open the 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
USB USB connectors for mouse, keyboard, touch screen and
webcam. These connectors are active depending on the
monitor model

10
Controls & Input connectors
MONITOR INPUT CONNECTORS
DVI 1/ DVI A DVI-I input signal. Connect a DVI (digital) input signal and
select DVI 1 on the OSD monitor menu. Use a DVI to VGA
adapter to connect an ARGB (analogue) input signal and
select DVI-A on the OSD monitor menu
DVI 2 DVI-D input signal. Connect a DVI (digital) input signal and
select DVI 2 on the OSD monitor menu
Use high quality DVI cables with 2m maximum length

11
Controls & Input connectors
OSD MONITOR CONTROL
Use the IR remote control to configure the image and select the input signal
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.
When the OSD menu is not active on
screen, selects the input source
LEFT Cursor control left on the OSD menu
RIGHT Cursor control right on the OSD menu
OK Selects the function on the OSD menu
MONITOR ADDRESS
To configure the monitor address on the RS422 AHnet, use the screen at
the bottom of the monitor:
Changing the monitor address:
– Push OK. One beep sounds
– Change the monitor address using
the UP / DOWN buttons
– Push OK. Two beep sounds, indicating
that the new address has been saved

12
Controls & Input connectors
MONITOR MOVEMENT CONTROLS
On the upper cover plate, there are four buttons to control the screen
movements, and one button to select the input signal source:
1. Position memory
2. Up button control
3. Down button control (screen upwards)
4. Monitor closed (screen downwards)
1. Position memory
To rise up the display into memory position, press this button once (1)
on the right hand side of the upper cover plate. In order to memorise a
position, first use buttons 3 and 4, to position the display panel in a desired
position (press and hold the up or down button, and release it when the
panel is on a desired position). To save or store the desired position, press
and hold this button (1) for 3 seconds (you will hear a “beep” sound when
the position has been saved).
It is recommended that no objects or parts of the body that could obstruct
the rising of the display, are not on the top of the cover plate.

13
Controls & Input connectors
MONITOR MOVEMENT CONTROLS
2. Opening the monitor
To rise up the display at the maximum angle, press this button (2) on the
right hand side of the upper cover plate. Permanent press this button to
raise the monitor and release it to stop the movement at the desired display
position.
It is recommended that no objects or parts of the body that could obstruct
the rising of the display, are not on the top of the cover plate.
3. Retracting the monitor (screen upwards)
To fold down the monitor with the screen facing up, press this button (3)
on the right hand side of the upper cover plate. Pressing this button will
also turn on or off the monitor, when the monitor is on horizontal position.
Permanent press this button (3) to retract the monitor and release it to stop
the movement at the desired display panel position.
It is recommended that no objects or parts of the body that could obstruct
the folding movement of the display, are not on the top of the cover plate.
4. Closing the monitor (screen downwards)
To fold down the monitor going into storage position, press this button (4)
on the right hand side of the upper cover plate. To open the monitor again,
press the opening button (2) or the position memory button (1).

14
OSD menu
ACCESSING THE MENU SYSTEM
– With the OSD off, push the MENU button to activate the main OSD menu
– Press the UP and DOWN button to move from one function to another.
As you move from one icon to another, the function name changes to reflect
the function or group of functions represented by that icon. Please refer
to the following sections below to view a complete list of all the functions
available for the monitor
– Press the SEL button to enable the item
– When a function is selected, press the LEFT and RIGHT buttons in order to
change the parameter of the function
Press the Menu button to access to the main menu
PICTURE
CSM Configuration of the image colour
Cool
Normal
Warm
User (manually adjustment of red, green and blue colours)
PSM Configuration of the bright image
Dynamic
Standard
Mild
Game
User (manually adjustment of brightness and contrast)
Contrast Image contrast adjustment
Brightness Image brightness adjustment

15
OSD menu
SCREEN
Input Input signal selection
DVI-A
DVI 1
DVI 2
ARC Aspect image on screen
Full The image is showed on full screen
16:9 Shows the image on screen with 16:9 aspect
Aspect Shows the image on full screen but keeps the
original aspect ratio of the input image
4:3 Shows the image on screen with 4:3 aspect
1:1 Shows the image on screen with the
original resolution
Backlight Adjusts the backlight of the screen
Flip Flips the image on screen
Off: Image with no flip
1 Vertical flip
2 Horizontal flip
3 Rotate
OSD-Flip Flips the menu on screen (OSD)
Off Image with no flip
1 Vertical flip
2 Horizontal flip
3 Rotate

16
OSD menu
SETUP
Language OSD language selection
PC Control Adjusts the image on screen. Only on ARGB (analogue)
input
H-Pos Adjust the image on screen horizontally
V-Pos Adjust the image on screen vertically
Phase Adjust the phase
Clock Adjust the clock
Auto Adjust Auto adjust the image on screen
Reset PC image control reset
1050 Selection of the exact input resolution. Only for ARGB
(analogue) input
1400 x 1050
1680 x 1050
WXGA Selection of the exact input resolution. Only for ARGB
(analogue) input
1024 x 768
1280 x 768
1360 x 768
BG Colour Background colour of the screen when there is no input
signal. The monitor only goes to stand by mode when black
colour is selected
BLACK
RED
GREEN
BLUE

17
AHnet protocol
COMMUNICATIONS PROTOCOL
Communication RS422
Connection RJ45
Wiring CAT-5
SPEED & CONFIGURATION
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 a 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, 500m/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 VALUE2
COMMANDS
COMMAND DESCRIPTION RESPONSE
FA XX 01 02 00 GO DOWN MONITOR FB XX 01 02 00
FA XX 01 01 00 GO UP + INCLINATION FB XX 01 01 00
FA XX 01 00 00 MONITOR CLOSED FB XX 01 00 00
FA XX 01 03 00 GO UP TO MEMORY POSITION FB XX 01 03 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 01 00 DVI-A SELECTION FB XX 03 01 00
FA XX 03 00 00 DVI-1 SELECTION FB XX 03 00 00
FA XX 03 03 00 DVI-2 SELECTION FB XX 03 03 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
MONITOR IN HORIZONTAL POSITION 1 1 1 0
MONITOR IN VERTICAL POSITION 0 1 0 1
MONITOR IN MEMORISED VERTICAL
POSITION 1 0 0 1
MONITOR CLOSED 1 1 0 1
SCREEN ON 1
SCREEN OFF 0
DVI-A 0 0
DVI 1-D 0 1
DVI 2-D 1 1
PROTECTION STOP 1
MONITOR OK 0
CB2
BITE 7 6 5 4 3 2 1 0
BUTTON LOCK 1
BUTTON UNLOCK 0

20
Input Signals
RESOLUTION Horizontal freq (KHz) Vertical freq (Hz) Scanning type
800x600@60Hz 37.879 60.317 Progressive
800x600@72Hz 48.077 72.188 Progressive
800x600@75Hz 46.875 75.000 Progressive
1024x768@60Hz 48.363 60.005 Progressive
1024x768@70Hz 56.476 70.070 Progressive
1024x768@75Hz 60.023 75.030 Progressive
1280x720@60Hz 44.772 59.855 Progressive
1360x768@60Hz 47.72 59.799 Progressive
1280x1024@60Hz 63.981 60.020 Progressive
1600x1200@60Hz 75.000 60.00 Progressive
1680x1050@60Hz 64.742 59.946 Progressive
1920x1080@60Hz 66.647 59.98 Progressive