VarTech Systems VT121XA4 User manual

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VT121 All Weather User’s Guide 150-183
Solutions for Demanding Applications
All Weather Series LCD Monitors
VT121XA4 · VT121XB4
User’s Guide

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VT121 All Weather User’s Guide 150-183
Read these instructions completely before attempting to operate your new LCD Color Display.
Table Of Contents
Page
Page
Section 1 Introduction Section 4 Touchscreen
1.0 Overview 3 4.1 Touch Screen Introduction 14
1.1 VT121 General Features 3 4.2 Touch Screen Installation 14
1.2 Product Safety Precautions 3
Section 2 Display Setup Section 5 Troubleshooting
2.1 Inspection 4 5.1 General 15
2.2 Unpacking 4
2.3 Included Parts 4 Section 6 Maintenance
2.4 Installation Guidelines 4-5 6.1 Cleaning 16
2.5 Video Input Connections 6
Specifications 17-18
Section 3 Getting Started
3.1 Adjusting the display 7 Mechanical Drawings 19-20
3.2 OSD Adjustments 8-13

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VT121 All Weather User’s Guide 150-183
INTRODUCTION
SECTION 1
1.1 Overview
VarTech All-Weather series includes waterproof, totally sealed, IP67 NEMA 6 LCD displays. These high resolution,
sunlight readable LCD displays provide exceptional clarity, viewing angles, extensive operational temperatures
(-40°C to +70°C), IP67 (NEMA 6) protection, and offer durable, 5-Wire, resistive touch screens.
1.2 VT121 General Features
oIP67 Fully Enclosed LCD
oRugged Machined 6061 T6 Aluminum Enclosure
oSolid State LED Backlighting
oOptical Bonding (VBOND) front overlay (AR)
oOptional Resistive Touch Screens, standard and Armor
oVESA, Flush, RAM, and Panel Mounting Options
oFull Range Manual Dimming
oPush Button OSD (On-Screen Display)
1.3 Product Safety Precautions
•Ensure that sufficient space is available around the display to provide the circulation necessary for cooling.
•Ensure that the ambient air temperature will not exceed the specified maximum temperature.
•Do not attempt to service this display yourself. The rear chassis has a seal so that non qualified personnel
will not expose themselves to dangerous voltages or other risks.
•To protect from electrical shock, unplug the display power supply from the wall before moving.
•Do not place any heavy objects on the power cords. Damage may cause electrical shock.
•Unplug the power supply from the wall or unit if one of the following conditions exists:
Power cord or plug is damaged or frayed.
The display does not operate normally when the operating instructions are followed.
The display has been dropped or the enclosure has been damaged.
The display exhibits a distinct change in performance, indicating a need for service.

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VT121 All Weather User’s Guide 150-183
DISPLAY SETUP
SECTION 2
2.1 Inspection of your VT121 All Weather Display
The Vartech VT121 All Weather display is supplied with different accessories depending on the model
configuration purchased. Verify that the display and accessories are what were ordered. Contact your Vartech
salesperson should there be any discrepancies.
2.2 Unpacking and setting up your VT121 All Weather Display
Before unpacking the product, inspect the shipping carton for damage. If damage is visible, immediately contact
VarTech and request assistance. Otherwise, proceed with unpacking. Keep the original packing material in case
you need to return the product for repair or transport it to another location. Use both the inner and outer packing
cartons to provide adequate protection for a unit returned for service.
Your display monitor package will consist of all or some of the components listed below. Open shipping
container and place all the components on a flat clean surface.
2.3 What is included with your VT121 All Weather Display
Installation instructions and cutout template
Panel Mount Screws
Four VESA or RAM mounting screws
Power cable and AC adapter if ordered
Video cable for input ordered (VGA, DVI, BNC)
Touch Interface Cable, Serial or USB (Optional when touch is installed)
CDROM with Touch Screen Drivers (Optional when touch is installed)
2.4 Installation Guidelines
Panel Mounting Guidelines
Observe these guidelines when installing the monitor in a panel.
Cut supporting panels to specifications before installation. Take precautions so metal cuttings do not enter
components already installed in the panel.
Supporting panels should be at least .125” thick in order to provide proper sealing against water and dust and
to provide proper support.
Install the monitor into the panel be careful not to cut hand on metal. Use .125” thick supplied gasket to ensure a
watertight seal. Do not use an adhesive.
Tighten the provided bolts. Do not over tighten as that can damage the helicoil inserts.
VESA Mounting Guidelines

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VT121 All Weather User’s Guide 150-183
The VESA-mount option is used to install the monitor on an articulated arm using an optional bracket. For
a list of available mounts, please contact your Vartech salesperson.
Mounting Guidelines
Observe these guidelines when installing the monitor on an arm.
The mounting surface and the mounting arm must be strong enough to support both the monitor and the
mounting hardware.
The interface between the arm and the monitor must meet VESA FPMPMI 100 mm standards.
The mounting location must provide adequate clearance for positioning and moving the adjustable unit and
routing cables.
Mount the Monitor on a VESA Interface
Follow these steps to mount the monitor on a VESA interface.
1. Mount the arm to the VESA interface with screws, bolts, or clamps so the monitor cannot tip.
2. Align the monitor over the arm and insert four supplied screws through the arm bracket and into the monitor.
RAM Mounting Guidelines
RAM is the only universal ball-and-socket system that holds excessive amounts of weight in high vibration
applications for military, commercial and private use.
Mounting Guidelines
Observe these guidelines when installing the monitor on the provided RAM.
The mounting surface must be strong enough to support both the monitor and the RAM.
The mounting location must provide adequate clearance for positioning and moving the adjustable unit and
routing cables.
Follow these steps to mount the monitor on a RAM.
1. Mount the Base plate to the mounting surface where the monitor is intended to be permanently mounted
2. Mount the Shaft to the RAM interface by prying open the socket and slipping over the mounting ball.
3. Align the RAM monitor plate, attach using the supplied screws into the 3 RAM mounting holes (triangular
pattern)
4. Loosen the socket and slip the ball into the socket. Secure in place by tightening the socket.
Mechanical Drawings
Model
Description
Page(s)
VT121XA4/XB4
VESA/RAM Mount Drawing
19
VT121XA4/XB4
Flush Mount
20
2.5 Input Video Connections

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VT121 All Weather User’s Guide 150-183
Typical Input Assembly
Connect to an Analog Video Source
All of the monitors support analog video. Your monitor is shipped with a high-quality analog video cable.
Use this video cable to connect a computer to the monitor.
Follow these steps to connect the monitor to an analog video source.
1. Connect one end of the 3 m (10 ft), analog video cable to the circular, 10pin VGA video input connector
on the monitor. Careful to align the red lines
2. Connect the other cable end to the VGA port of the computer.
You can use a couple to join to another cable with a maximum combined length of 15 m (50 ft) at lower monitor
resolutions, provided it is a high-quality video cable. Video amplifiers are available for longer distances.
GETTING STARTED

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VT121 All Weather User’s Guide 150-183
SECTION 3
3.1 Adjusting the display
Set the monitor type
The VT121XA/XB monitors are not plug n play compatible and require initial setup to begin operation
1. Ensure video and power cables are connected and secure and connected to the source
2. Power on the monitor
3. Toggle through the input select button until your video source is labeled and the video is showing
4. Adjust geometry of screen if necessary by using the advanced On-screen display. Activate the OSD
By pushing the MENU button, move to the necessary sub menus by using the +/- keys and entering select
5. Make adjustments and save by exiting the menu
6. Once the initial setup is complete you will not be required to redo
3.2 OSD Adjustments
On/OFF
Menu
-
+
Select
Input Select
Dimming POT

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For Models with Single Analog Video, Single Digital Video, or NTSC/PAL
Selection page
Select input source
Select input source to Analog RGB
Select input source to DVI
Select input source to S-Video 1
Select input source to Composite 1
Select input source to S-Video 2 (No function now)
Select input source to Composite 2 (No function now)
Auto Source Seek
ON – Auto source select always enable
OFF – Disable auto source select function
Video system selection* 
Select Auto video system detection
Select PAL video system
Select PAL M video system
Select NTSC video system
Select NTSC 4.43 video system
Select SECAM video system
Wide screen mode
information display#
Select the input mode (1280 / 1360 / 1366 / 1368) to recognize and display the correct input
signal information display on the OSD menu.
1280 : 1280x768 1366: 1366x768
1360 : 1360x768 1368: 1368x768
Exit
Exit the OSD menu and save the settings
Brightness and Contrast

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Brightness
Increase/decrease brightness level.
Press – or + (-+ ) Total : 256 steps
Contrast
Increase/decrease panel contrast level.
Press – or + (-+ ) Total : 192 steps
Saturation*
Increase/decrease hue level.
Press – or + (-+ ) Total : 256 steps
Hue*
Increase/decrease saturation level
Press – or + (-+ ) Total : 128 steps
Exit
Exit the OSD menu and save the settings
Color
Auto RGB Calibration#
Yes No
Color Temperature (Adjust the warmness of the image displayed. The higher temperature the
coolest image looks like. The lower temperature the warmest image looks like.)
Adjust red color level
Press – or + (-+) Total :128 steps
Adjust green color level
Press – or + (-+) Total : 128 steps
Adjust blue color level
Press – or + (-+) Total : 128 steps
Press SEL UP/DN button to select item
Set the color temperature to 4200K
Set the color temperature to 5000K
Set the color temperature to 6500K
Set the color temperature to 7500K
Set the color temperature to 9300K
Gamma adjustment
Adjust Gamma settings (0.4 / 0.6 / 1.0 / 1.6 / 2.2)
Select Gamma to 0.4
Select Gamma to 0.6
Select Gamma to 1.0
Select Gamma to 1.6
Select Gamma to 2.2
Exit
Exit the OSD menu and save the settings
Position#
Auto setup
Auto adjust the positions, phase, frequency
Yes No
Frequency
Adjust the image horizontal size
Phase
Fine tune the data sampling position (adjust image quality)
Image Horizontal Position
Use +/- to move the image horizontally
Press – or + (-+ )
Image Vertical
Use +/- to move the image vertically
Press – or + (-+ )
Exit
Exit the OSD menu
Utilities
OSD setting 

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VT121 All Weather User’s Guide 150-183
OSD Timeout : 0 / 10 / 20 / 30 / 40 / 50 / 60 seconds (Always on when set to 0)
Press – or + (-+ )
OSD menu horizontal position
Press – or + (-+ )
OSD menu vertical position
Press – or + (-+ )
Load Factory Default
Initialize the setting stored in non-volatile memory
Sharpness
Adjust sharpness level
Press – or + (-+ ) Total : 49 steps
Exit
Exit the OSD menu
Exit the OSD menu
* - Function in Video mode only
# - Function in ARGB mode only
Items marked have sub menus.
Exit the OSD menu to save the setting chosen
Adjust the Brightness
Use the dimming potentiometer located on the front bottom right corner of the display to adjust the brightness level of the
LED backlights.
For Models with DUAL Video Inputs such as VGA or VGA and DVI-D