American Dynamics AD9421 Bedienungsanleitung
21”COLOR MONITOR
AD9421
User’s Guide
Mode d’emploi
Bedienungsanleitung
Guía del usuario
Manual de utilizador
AMERICAN
DYNAMICS
AD9421 COVER 3/6/0 5:38 PM Page 1
COLOR MONITOR User’s Guide
Explanation of Symbols
The triangle with lightning symbol represents the
presence of uninsulated, dangerous voltage within the
product’s enclosure. This high voltage poses a risk of
electric shock to the user.
The triangle with exclamation point represents important
operating and maintenance (service) instructions found in
the manuals included with the product.
Warning-To Prevent Fire or Shock Hazard, Do Not
Expose This Monitor To Rain or Moisture.
Product specification is subject to change without notice.
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CAUTION
CAUTION: TO REDUCE THE RISK OF ELECTRIC
SHOCK, DO NOT REMOVE COVER
(OR BACK). NO USER SERVICEABLE
PARTS INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
RISK OF ELECTRIC SHOCK
DO NOT OPEN
AD9421 E 3/6/0 5:38 PM Page e-2
COLOR MONITOR User’s Guide IMPORTANT SAFEGUARDS
IMPORTANT SAFEGUARDS
Caution
The power source is located on the rear of the set. It contains high-voltage
parts. If you remove the cover, it may cause fire or electric shock. Do not
remove the cover by yourself. (Control switches are at the front of the
monitor).
1. Read Instructions : All the safety and operating instructions
should be read before the monitor is operated.
2. Retain Instructions : The safety and operating instructions should
be kept for future reference.
3. Heed Warnings : All warnings on the monitor and in the operating
instructions should be followed.
4. Follow Instructions : All operating and use instructions should be
followed.
5. Cleaning : Unplug this monitor from the wall outlet before cleaning.
Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for
cleaning.
Note. The monitor may be used in a situation where uninterrupted
service is required. In these situations, such as the possibility of loss of
an authorization code for a CATV converter, the user may disregard the
instructions to unplug the monitor for cleaning purposes noted in Item 5.
6. Attachments : Do not use attachments that are not recommended
by American Dynamics.
7. Water and Moisture : Do not use this monitor near water. For
example, do not use near a bath, wash basin, kitchen sink, laundry tub,
in a wet basement near a, or in any environment where the monitor is
may get wet.
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COLOR MONITOR User’s Guide IMPORTANT SAFEGUARDS
8. Accessories : Do not place this monitor on an unstable cart, stand,
tripod, bracket, or table. The monitor may fall, causing serious injury to
a child or adult, and serious damage to the monitor. Use only with a
cart, stand, tripod, bracket, or table recommended by American
Dynamics, or sold with the monitor. Any mounting of the should follow
American Dynamics’ instructions, and should use a mounting accessory
recommended by American Dynamics.
9. Ventilation : Slots and openings in the cabinet are provided for
ventilation, to ensure reliable operation of the monitor, and to protect it
from overheating. These openings should never be blocked by placing
the monitor on a bed, sofa, rug, or other similar surface. This monitor
should never be placed near or over a radiator or heat register.
This monitor should not be placed in a built-in installation, such as a
bookcase or rack, unless proper ventilation is provided or American
Dynamics’ instructions have been followed.
10. Power Sources : This monitor should be operated only from the
type of power source indicated on the manufacturing label. If you are
not sure of the type of power supplied to your installation site, consult
your American Dynamics dealer or local power company.
11. Grounding or Polarization : Some monitors are equipped with
3-prong grounding plugs. This plug will only fit into a grounded power
outlet. This is a safety feature. If you are unable to insert the plug into
the outlet, contact your electrician to replace the obsolete outlet. Do not
attempt to defeat the safety purpose of the grounding-type plug.
12. Power Cords : Power supply cords should be routed to prevent
the ability to walk on the cord or pinch the cord by placing items on or
against them. Pay particular attention to cords at the plugs, outlets, and
the point where the cord exits from the monitor.
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COLOR MONITOR User’s Guide IMPORTANT SAFEGUARDS
13. Lightning : For added protection for this monitor during a
lightning storm, or when it is left unattened and unused for long periods
of time, unplug it from the wall outlet and disconnect the cable system.
This will prevent damage to the monitor due to lightning and power-line
surges.
14. Overloading : Do not overload wall outlets and extension cords as
this can result in a risk of fire of electric shock.
15. Object and Liquid Entry : Never push objects of any kind into
this monitor through openings as they may touch dangerous voltage
points or short-out parts that could result in a fire or electric shock.
Never spill liquid of any kind on the monitor.
16. Servicing : Do not attempt to service this monitor yourself as
opening or removing covers may expose you to dangerous voltage or
other hazards. Refer all servicing to qualified service personnel.
17. Damage Requiring Service : Unplug this monitor from the wall
outlet and refer repair to qualified service personnel under the following
conditions.
a. When the power-supply cord or plug is damaged.
b. If liquid has been spilled, or objects have fallen into the monitor.
c. If the monitor has been exposed to rain or water.
d. If the monitor does not operate normally by following the
operating instructions. Adjust only those controls that are
covered by the operating instructions. Improper adjustment of
other controls may result in damage to the monitor. Such
damage will often require extensive work by a qualified
technician to restore the monitor to normal operation.
e. If the monitor has been dropped or the cabinet has been
damaged.
f. When the monitor exhibits a noticeable change in performance -
this indicates a need for service.
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AD9421 E 3/6/0 5:38 PM Page e-5
COLOR MONITOR User’s Guide IMPORTANT SAFEGUARDS
18. Replacement Parts : When replacement parts are required, be
sure the service technician has used replacement parts specified by
SAMSUNG or have the same characteristics as the original parts.
Unauthorized substitutions may result in fire, electric shock or other
hazards.
19. Safety Check : Upon completion of any service or repairs to this
monitor, ask the service technician to preform safety checks to
determine that the monitor is in proper operating condition.
FCC & ICES Information
Warning
This equipment has been tested and found to comply the limits for a
class A digital device, pursuant to part 15 of the FCC Rules and ICES-
003 of Industry Canada. These limits are designed to provide
reasonable protection against harmful interference when the equipment
is operated in a commercial environment. This equipment generate,
uses, and can radiate radio frequency energy and, if not installed and
used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the
user will be required to correct the interference at his own expense.
User-Installer Caution
Your authority to operate this FCC verified equipment could be voided
if you make changes or modifications not expressly approved by the
party responsible for compliance to part 15 of the FCC Rules.
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AD9421 E 3/6/0 5:38 PM Page e-6
COLOR MONITOR User’s Guide General
General
Scope
The information in this instruction manual covers the installation and
operation of the Color Monitors.
These units should be installed using approved materials and wiring
practices in accordance with the National Electrical Code and applicable
local wiring ordinances.
Introduction
The Color Monitors, produce high quality images on a 9 inch
(measured diagonally) screen with a resolution of greater than 280 lines
at center.
Operating controls (BRIGHTNESS, CONTRAST, COLOR TINT
SHARP, VOLUME) are located on the front panel. A power switch is
also located on the front panel.
A regulated power supply maintains excellent performance during
fluctuations in line voltage.
The Color Monitors are housed in a metallic black color cabinet (with a
black bezel around the screen).
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AD9421 E 3/6/0 5:38 PM Page e-7
COLOR MONITOR User’s Guide Contents
Contents
Important Safeguards .................................................... e-3
General ........................................................................... e-7
Specifications ................................................................. e-9
Front Panel Components and Controls ..................... e-10
Rear Panel Components and Controls ...................... e-12
Connections ................................................................. e-13
Maintenance ................................................................. e-14
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AD9421 E 3/6/0 5:38 PM Page e-8
COLOR MONITOR User’s Guide Specifications
Specifications
System NTSC/PAL
CRT 21” diagonal, 0.7mm Stripe Pitch,
1.7 flat type 90° deflection
Horizontal Resolution More than 450 lines
Input Signal Video signal : 0.714Vp-p(Composite 1Vp-p)
Sync. signal : 0.286Vp-p
Sub Carrier 3.5795MHz ±400Hz(room temperature)
Frequency 4.433618MHz ±400Hz(room temperature)
Sync. Range
Horizontal ±500Hz
Frequency
Stability
Vertical ±4Hz
Frequency
Stability
High Voltage 25kV±1.5kV
Convergence less than 0.4mm (at the center of display area)
Power Consumption 75 Watts (maximum)
Operating Humidity Condition 0 to 90%
Operating Temperature Range 0 to 40°C
Power Control range or main section 90V~260V or
“indicated on the rear of the MONITOR set”
Dimensions (WxHxD) 490mm x 444mm x 482mm
Audio 2 Watts
Monitor will operate on NTSC or PAL video standard.
The monitor is self - adjusting to NTSC/PAL and voltage 100~240V.
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AD9421 E 3/6/0 5:38 PM Page e-9
COLOR MONITOR User’s Guide Front Panel Components and Controls
Front Panel Components and Controls
Power Switch
On/off switch. If you press this button, the monitor is turned on and the
LED of selected input signal is lit.
VIDEO Input Selection Switch
It selects video and audio input signal. To change input signal, press
this button.
VOLUME, DATA Control Switch
VOLUME key has two functions :
• Volume Controls : To change volume, press only these key.
• Data Controls : If you press CONTRAST, BRIGHT, COLOR,
TINT or SHARP and then a VOLUME key, you
can change the setting for each control.
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SHARP TINT COLOR BRIGHT CONTRAST VOLUME
DATA
ABC
VIDEO POWER
POWER
VIDEO
VOLUME
DATA
AD9421 E 3/6/0 5:38 PM Page e-10
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