Instruction/ maintenance manual of the product 1220 Compaq
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b Co mpaq P1220 July 2001.
Regulatory Compliance Notices Federal Communications Commission Notice This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
Japanese Notice EPA Energy Star Compliance Monitors that are marked with the Energy Star Logo meet the requirements of the EPA Energy Star program. As an Energy Star Partner, Compaq Computer Corporation has determined that this product meets the Energy Star guidelines for energy efficiency.
CAUTION The power cord provided with this monitor is de- signed for safety and must be used with a properly grounded outlet to avoid possible electrical shock. Do not remove the monitor cabinet as this can expose you to very high voltages and other hazards.
1 INTRODUCTION Congratulations on your purchase of the high resolution color monitor. We designed this monitor to provide you with years of reliable trouble-free operation.
PRESET Polarity TIMING Fh(kHz) Fv (Hz) H V 640 x 480 N.I. 31.47 60.0 – – 1024 x 768 N.I. 60.02 75.0 + + 1024 x 768 N.I. 68.68 85.0 + + 1280 x 1024 N.I. 79.98 75.0 + + 1280 x 1024 N.I. 91.15 85.0 + + 1600 x 1200 N.I. 93.75 75.0 + + 1600 x 1200 N.I.
Connect the color monitor and computer with the necessary cords and cables. 1.9 Quick Operation Chart To summarize the steps in connecting your computer with the color monitor and setting the necessary controls and switches, refer to the chart below. See Section 3.
2.1 Control Names See Figures 3 and 4 for the location of the user controls, indicator and connectors. Each part is identified by number and is described individually. 2 PART NAME 5. FUNCTION ADJUST BUTTONS: Push the adjust buttons to adjust the image on the screen.
On the back of the monitor three kinds of plug-in connec- tions are provided: AC power connector for the AC input, two DB9-15P connectors for video signal input, and USB ports for USB communication. 3.1 AC Power Connection One end of the AC power cord is connected to the AC power connector on the back of the monitor.
3.2.2 Connecting to Two Computers Figure 6 shows the connection to two computers. Refer to clause 3.2.1 for the connection procedure. 3.3 USB System Basic Application The Computer is required to have Windows ® 98 or later installed and USB functions.
Figure 9 If the ! mark appears with “Generic USB HUB”, then enumeration was unsuccessful. Select “Generic USB HUB” marked with ! mark and click “Remove” and “Refresh”. After that, the enumeration is automatically started. The enumeration of USB HUB may be necessary for each USB port on the computer.
4 OSD (On Screen Display) FUNCTIONS The monitor has an OSD(On Screen Display) function. The following procedure shows how to adjust the screen using the OSD function. 4.1 How to adjust the screen If you don't press any button for the time set at "OSD TURN OFF", the OSD will turn off automatically.
A. Press "FACTORY PRESET" to restore to the factory preset level. B. Press - and + buttons together, to restore to the factory preset level. C.
If a non-Factory Preset timing is used, " FACTORY PRESET " does not work. X: Available.
• • • • • • • • • • • • • • • • PROBLEM ITEMS TO CHECK Before calling your Authorized Product Support, please check that the items below are properly connected or set.
PROBLEM ITEMS TO CHECK LOCATION • • • • • • Black vertical lines are visible on the screen. Thin vertical black lines on one or both sides of the screen. This minor condition is caused by grille element overlap which can occur during shipping.
Size 55cm/22" (508mm/20" Viewable Image Size) Mask type Aperture grille Gun In-line Deflection angle 90° CRT Phosphors Red, Green, Blue EBU (medium short persistence) Aperture grille pitch 0.24mm Phosphor pitch 0.25mm Face Plate G-WARAS Focusing method Dynamic Beam Forming (DBF) Video 0.
7.1 Monitor Signal Input Connector (DB9-15P) (Female) DB9-15P MOUNTED ON THE REAR PANEL PIN ASSIGNMENTS Pin No. Signal 1 RED VIDEO 2 GREEN VIDEO 3 BLUE VIDEO 4 GROUND 5 DDC GROUND 6 RED GROUND 7 GREEN.
An important point after buying a device Compaq 1220 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Compaq 1220 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Compaq 1220 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Compaq 1220 you will learn all the available features of the product, as well as information on its operation. The information that you get Compaq 1220 will certainly help you make a decision on the purchase.
If you already are a holder of Compaq 1220, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Compaq 1220.
However, one of the most important roles played by the user manual is to help in solving problems with Compaq 1220. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Compaq 1220 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
