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The Exposé Touchscreen User Guide
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The Exposé Touchscreen User Guide
Copyright © TRIDIUM. INC.
TRIDIUM EUROPE

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The Exposé Touchscreen User Guide
DOC REFERENCE: teu-jb-141_3.doc
Contents:
Contents:................................................................................................................2
Preface.................................................................................................................... 3
Exposé ID3000 FAQs....................................................................................4
Compatibility and Installation............................................................................... 5
Compatibility..................................................................................................5
License requirements.................................................................................... 5
Software installation......................................................................................5
Unpacking the touchscreen...........................................................................6
Mounting the Touchscreen............................................................................7
Limitations and known problems................................................................... 11
Quick Start.............................................................................................................. 12
Setup the touchscreen ..................................................................................12
Connect to target...........................................................................................17
Related documents................................................................................................ 18
Document Control ................................................................................................. 18
This is an 18 page document at A4

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The Exposé Touchscreen User Guide
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Preface
This is the User Guide for the DCT128 Exposé 8” colour touchscreen which has an 800 x 600 resolution
and provides a cost-effective solution wherever a wall or panel mounted user interface is required. Exposé
is based on a fanless Atom powered PC platform which has been specially configured by Tridium to enable
easy set-up. The DCT128 uses a custom Linux OS running Firefox in kiosk mode; optimised for use with
Niagara AX web-served graphical pages.
The DCT128 is equipped with a wired IP connection, and requires a 12Vdc supply (230V to 12V PSU is
included). Exposé also includes Wi-Fi connectability, a camera and a speaker (these are currently not
supported by NiagaraAX).
The front panel of Exposé is completely flat which makes it more visually attractive and easier to clean. It is
IP64 compliant when used with the optional panel-mounting kit. The DCT120 can also be surface mounted
on a wall, or flush-mounted using optional kits. These mounting options make Exposé suitable for a wide
variety of uses in commercial and residential applications. The following main sections are in this
document:
“Compatibility and Installation”
Explains the touchscreen and JACE network architecture, software, licensing requirements, unpacking
and mounting the touchscreen, limitations and known problems.
“Quick Start”
Provides the procedure for setting up the touchscreen for Network, Target Station, Password, Time,
Locale and Browser.

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Exposé ID3000 FAQs
The following are frequently asked questions (FAQs) about the Exposé:
Q: As well as the touchscreen and its power leads, the carton also contains some CD’s and a multi core
cable with a USB plug and other connectors. What do I do with these?
A: You do not need them. They are not used in this Tridium implementation. In addition, the Exposé
touchscreen has a built-in camera, a microphone, some speakers, two USB ports, an RS-232 port, an
RS-232/422/485 port, an audio output and wireless networking capabilities for Bluetooth 2.0 and
802.11 b/g. These are also not used nor supported in this Tridium implementation.
Q: I want to use the browser of the touchscreen to access the internet. How can I do this?
A: You should not try to do this. In this Tridium implementation, the browser in the Exposé touchscreen is
designed to automatically connect to a preconfigured JACE station. The browser is not enabled to do
anything else.
Q: Do I need a NiagaraAX license to use the Exposé touchscreen?
A: No. The Exposé touchscreen connects to a JACE station with a browser and no extra licenses are
required.
Q: Will the touchscreen support both Px and Hx media?
A: Yes. Both formats of NiagaraAX graphics media are supported.
Q: I notice that there are two Ethernet connectors on the touchscreen. Can I use either of them?
A: Yes, either one of the Ethernet connections can be used. However, the touchscreen does not support
the use of them both simultaneously.

Compatibility and
Installation
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Compatibility and Installation
This section has the following main subsections:
Compatibility
License requirements
Software installation
Unpacking the touchscreen
Mounting the touchscreen
Limitations and known problems
Compatibility
The touchscreen has the following compatibility criteria:
NiagaraAX station compatibility
NiagaraAX network compatibility
NiagaraAX station compatibility
The touchscreen will function with all NiagaraAX stations that have web served graphics pages.
NiagaraAX network compatibility
The touchscreen has been designed to function as a browser which communicates with a target NiagaraAX
station, typically running in a JACE controller. This is illustrated in Figure 1-1
License requirements
There are no license requirements needed to setup or operate the touchscreen
Software installation
The Exposé touchscreen is already installed with a Compact Flash memory card which allows it to operate
in this Tridium implementation.
The touchscreen auto starts with its browser
preset to browse a Target station
Figure 1-1The touchscreen architecture

Compatibility and
Installation
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Unpacking the touchscreen
To unpack the touchscreen, follow these steps:
Note: The Exposé touchscreen has a protective plastic cover stuck to the screen. Only remove the
plastic cover after the touchscreen has been properly installed. This ensures the screen is
protected during the installation process.
To Unpack the touchscreen
Step 1 Use box cutters, a knife or a sharp pair of scissors to cut the seal on the top side of the external
box.
Step 2 Open the external box.
Step 3 Use box cutters, a knife or a sharp pair of scissors to cut the seal on the top side of the inner box.
Step 4 Open the inner box.
Step 5 Lift the touchscreen out of the inner box.
Step 6 Remove both polystyrene ends, one from each side.
Note: The Exposé touchscreen is already installed with a Compact Flash memory card which allows it to
operate in this Tridium implementation. There are no user configurable settings inside the
touchscreen and therefore there is no need to remove the cover retaining screws.

Compatibility and
Installation
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Mounting the Touchscreen
There are several methods of mounting the Exposé Touchscreen. These are listed in the following
subsections:
Panel mounting (Kit reference: DPM128)
Wall (surface) mounting (Kit reference: DWM128)
Wall (flush in-wall cage) mounting (Kit reference: DFM128)
Note: When mounting the touchscreen onto an arm, wall or panel, it is advisable to have more than one
person to help with the installation to make sure that the touchscreen does not fall and get
damaged.
Panel Mounting (DPM128)
To mount the touchscreen on a panel, follow these steps:
To Panel mount the touchscreen
Step 1 Select the position on the panel for the touchscreen.
Step 2 Cut a section from the panel that corresponds to the rear dimensions of the touchscreen. Take
care that the panel section that is cut out is smaller than the overall size of the frame but larger than
the rear part of the touchscreen body.
Step 3 Slide the touchscreen through the hole until the frame is flush against the panel.
Step 4 Insert the panel mounting clamps into the pre-formed holes along edges of the chassis, behind the
frame.
Step 5 Tighten the screws that pass through the panel mounting clamps until the plastic caps, at the front
of all the screws are firmly secured to the panel. Figure 1-2
Figure 1-2: Tighten the panel mounting clamp screws

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Wall (surface) Mounting (DWM128)
To surface mount the touchscreen on a wall, follow these steps:
To Wall (surface) mount the touchscreen
Step 1 Select the location on the wall for the wall-mounting bracket.
Step 2 Carefully mark the locations of the four screw holes in the bracket on the wall
Step 3 Drill four pilot holes at the marked locations on the wall for the bracket retention screws
Step 4 Align the wall-mounting bracket screw holes with the pilot holes
Step 5 Secure the mounting-bracket to the wall by inserting the retention screws into the four pilot holes
and tightening them. Figure 1-3
Step 6 Insert the four monitor mounting screws provided in the wall-mounting kit into the four screw holes
on the rear touchscreen and tighten until the screw shank is secured against the rear touchscreen.
Figure 1-4
Note: Please use the M4 screws provided in the wall mounting kit for the rear touchscreen. If you need to
replace any missing screws ensure that the thread depth is no greater than 4mm.
Step 7 Align the mounting screws on the touchscreen rear panel with the mounting holes on the bracket.
Figure 1-3: Wall-mounting Bracket
Figure 1-4: Chassis support screws

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Step 8 Carefully insert the screws through the holes and gently pull the touchscreen downwards until the
touchscreen rests securely in the slotted holes (Figure 1-4). Ensure that all four of the mounting
screws fit snugly into their respective slotted holes.
Step 9 Secure the touchscreen by fastening the retention screw of the wall-mounting bracket (Figure 1-5)
Wall (flush in-wall cage) Mounting (DFM128)
To flush mount the touchscreen on a wall, follow these steps:
To Wall (flush in-wall cage) mount the touchscreen
Step 1 Select the position on the wall for the touchscreen.
Step 2 Cut a section from the wall that corresponds to the rear dimensions of the wall-cage frame. Take
care that the wall section that is cut out is smaller than the overall size of the frame but larger than
the rear part of the wall-cage body. The wall-cage frame is illustrated in Figure 1-6
Figure 1-5: Secure the Touchscreen
Figure 1-6: The wall-cage frame

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Step 3 Position the power adapter unit into its retaining bracket and attach the completed assembly to the
rear of the wall-cage frame using the screws provided in the kit. Figure 1-7
Note: Depending on the amount of free access behind the wall for cables, you may wish to invert the
power adapter retaining bracket assembly to allow the mains power lead connector more space for
final assembly.
Step 4 Secure the wall-cage frame to the wall using the holes around the periphery of the frame. (Screw
fixings are not provided)
Step 5 Attach the touchscreen bracket using the four mounting screws provided in the kit into the four
screw holes on the rear touchscreen and tighten. Figure 1-8
Note: Please use the M4 screws provided in the wall mounting kit for the rear touchscreen. If you need to
replace any missing screws ensure that the thread depth is no greater than 4mm.
Step 6 Make the necessary electrical and communications connections to the touchscreen.
Figure 1-8: Touchscreen bracket
Figure 1-7: Attach the power adapter
Power adapter retaining bracket

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Step 7 Insert the Touchscreen with its bracket into the wall-cage frame. Align the bracket with the two
locating pins on the frame and screw the touchscreen bracket assembly onto the frame using the
four screws provided in the kit. Figure 1-9
Step 8 Finally carefully clip the escutcheon cover in place onto the frame. Figure 1-10
Limitations and known problems
Limitations
Here are a number of limitations in the Exposé touchscreen:
Wireless not supported
Wireless networking through either the built in Bluetooth 2.0 or 802.11 b/g is not currently supported by this
Tridium installation.
Settings authentication persistent
You are challenged to authenticate with a password before gaining access to the setup menu. However
this authentication persists until the touchscreen is next restarted. You should be aware of this when
leaving the touchscreen for others.
Known problems
Here are known problems of the Exposé touchscreen:
Changing from DHCP to Static addressing
If you have been using a DHCP assigned address on the Exposé, and then change to a Static address
*without* specifying a default gateway, the IP configuration for the screen becomes corrupted and the unit
becomes unusable. Before making the change you must ensure that a gateway address has been
included even if the address is not planned to be used and may be deleted after the first Static address is
added. This problem is present in version 1.0 of the firmware.
Figure 1-9: Attach touchscreen assembly
Figure 1-10: Clip escutcheon onto the frame

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Quick Start
This section provides a collection of procedures to use the Exposé touchscreen.
These are the main quick start subsections:
Setup the touchscreen
Connecting to the target
Setup the touchscreen
You must set up the touchscreen before it can be used. This involves the following main steps:
Connect communications
Connect power
Enter Exposé Setup
Enter the Setup Wizard
Setup the Network
Setup the Target
Setup the Password
Setup the Browser Settings
Setup the Time and Locale
Learn Modules
Calibrate touchscreen
Set Volume
To setup the touchscreen
Step 1 Connect the IP communications network to either of the RJ45 connectors
Step 2 Connect power to the touchscreen. When power is connected, the touchscreen will automatically
start. You should wait until it has booted up until the start screen is displayed. This is shown in
Figure 2-1
Step 3 Touch the ‘cogs’ to gain access to setup
Note: The start screen will display for only 5 seconds before the touchscreen then attempts to connect to
the target station. To gain access to setup you must touch the ‘cogs’ within these 5 seconds.
Figure 2-1: The start screen

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Step 4 Touch the ‘Setup Wizard’ to access the main setup options. This is shown in Figure 2-2
Step 5 You will be invited to authenticate access to the setup wizard menu. Use the keyboard to enter the
password. This is shown in Figure 2-3 and 2-4
Note: The default password is niagara You are recommended to change this password as part of the
setup procedure
Figure 2-3: Setup wizard login
Figure 2-4: Setup wizard menu

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Step 6 Touch the Network option to setup the Network. When you have completed this setup you should
save your changes and then go back to the previous screen. This is shown in Figure 2-5
Step 7 Touch the Set Target option to setup the Target station. When you have completed this setup you
should save your changes and go back to the previous screen. This is shown in Figure 2-6
Step 8 Touch the Set Password option to setup a new password. When you have completed this setup
you should save your changes and go back to the previous screen. This is shown in Figure 2-7
Figure 2-5: Network setup
Figure 2-7: Password setup

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Step 9 Touch the Browser Settings option to setup options on the browser operation. When you have
completed these settings you should save your changes and go back to the previous screen. This
is shown in Figure 2-8
Step 10Touch the Time and Locale option to setup your local time and locale. When you have completed
these settings you should save your changes and go back to the previous screen. This is shown in
Figure 2-9
Figure 2-8: Browser settings
Figure 2-9: Time and Locale settings

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Step 11Touch the Learn Modules option to force the touchscreen to reload the java modules from the
target station. You can return without invoking this option but if you save, then the modules will be
reloaded the next time the browser is started. This is shown in Figure 2-10
Step 11You have now completed the Setup Wizard and you should go back to the previous screen.
Step 12Touch the Calibrate option to calibrate the touch screen.
Step 13Increase or Decrease the Volume controls to your requirement.
Note: The internal speaker beeps during a reboot start up but there are no sound options in the browser
Note: The DIAGNOSTICS option is included to give a system summary and access to a number of trace
logs. These are not described in this document.
Step 13Finally, you have completed the touchscreen setup. Touch the ‘close’ button to exit the setup and
automatically start the browser. This is shown in Figure 2-11
Figure 2-10: Learn modules

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Connect to target
When setup is closed, the touchscreen will automatically connect to the target station. The next screen to
be shown will be the authentication (if required) of the JACE station.

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Tridium LogoType changed, Added DHCPStatic problem (JB)
John Brown
e-mail: jbrown@tridium.com