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INSTRUCTIONS
Model
GM-P421U
GM-P420UG
Thank you for purchasing this JVC Monitor.
Before using the monitor, read this manual carefully so
that you know how to use the Monitor correctly.
Refer to this manual whenever questions or problems
about operation arise. Be sure to read and observe the
safety precautions.
Keep this manual where the user can see it easily.
* Installation and removal require special expertise.
Consult your product dealer for details.
Contents
Page
Safety Precautions ....................................................2
Parts Identification .....................................................4
• Remote Control ...................................................4
• Monitor: Front View .............................................5
• Monitor: Rear Views ............................................6
Preparations ..............................................................8
• Checking the Accessories ...................................8
• Installing the Batteries .........................................8
Installation .................................................................9
• Precautions .........................................................9
Connections ............................................................10
• Precautions .......................................................10
• Available Signals ...............................................10
• Connection Diagrams........................................ 11
Basic Operations .....................................................14
• Daily Operations................................................14
• Changing the Aspect Ratio............................... 15
Video Adjustments ..................................................16
• Adjusting the Picture Quality ............................ 16
• Adjusting the Screen Size and Position ............ 17
• Adjusting the Color Temperature ...................... 19
• Adjusting the White Balance............................. 19
• Changing the Picture Mode .............................. 21
• Changing the Aspect Ratio............................... 21
• Setting the Receivable Signal Types ................ 22
• Setting the COMPONENT/RGB B Input ........... 23
•
Resetting the Function Selection Menu Settings ..
23
Page
Other Convenient Functions....................................24
• Showing On-screen Display ............................. 24
• Confirming the Use Time and Model Name...... 25
• Prohibiting the Monitor’s Button Operations ..... 25
• Showing the On-screen When Changing
the Input Mode ..................................................26
• Setting the Remote-Controllable Input ............. 26
• Setting the High-Definition Signal Types .......... 27
• Using the Pixel Shift Function........................... 27
• Using the Power Save Function ....................... 28
• Preventing the Afterimage Effect ...................... 28
• Refreshing the Screen.......................................29
• Resetting All the Setup Menu Settings ............. 29
• Resetting All the Menu Settings ....................... 30
Menu Classifications ...............................................31
• Main Menu ........................................................31
• Setup Menu .......................................................33
Troubleshooting.......................................................34
• Self-diagnostic Indication ..................................35
Specifications ..........................................................36
This instruction manual refers to the GM-P421U and GM-P420UG.
The differences between these two models are its color and class of EMC: GM-P421U is silver and is categorized in class B, while
GM-P420UG is gray and is categorized in class A.
01-03.GM-P420[US]f 02.4.1, 2:16 PM1