LL-T1500A (serv.man14). Chapter 3 Connection, Adjustment, Operation Function - Sharp Monitor Service Manual (repair manual). Page 2

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[2] CONNECTING USB CABLE
Rear view
This monitor comes equipped with a hub that supports USB standard.
The USB hub needs the following conditions:  
·
The computer to which the USB hub is connected and its OS are
compatible with USB standard.
·
Or, the USB hub to which this USB hub is connected is also
connected to a USB-compatible computer (and OS).
When connecting any USB device to this monitor, use the USB cable
supplied with the monitor and observe the following conditions:
Connect the down-stream of a USB-compatible computer (or other
USB hub) with the up-stream of this monitor using the USB cable.
Connect the USB-compatible peripheral device to the USB down-
stream of the monitor.
[CAUTION]
Some USB peripheral devices might function properly depending
upon the type of computer, OS or peripheral equipment. For whether
the device you want to connect is USB compatible or not, consult the
manufacturer of the device.
The USB device connected to the USB connector of the monitor
operates when the main power supply is ON, even if the monitor is in
the power save mode or if the power switch on the front part of the
monitor is OFF.
USB-related specifications
USB standard
Rev. 1.0 complicd self-powered hub
Down-stream supply power 500 mA for each port (MAX.) 
USB port
Up-stream x 1 (rear part), down-
stream x 2 (side part)
[3] ADJUSTMENT
3-1. AUTOMATIC SCREEN ADJUSTMENT
When the monitor is set up for the first time or when the system
setting is changed, make automatic screen adjustment.  "CLOCK",
"PHASE" and "V-POs" are automatically adjusted to optimal values.
When making automatic screen adjustment, make sure that the entire
screen is bright. 
Carry out automatic screen adjustment as follows:
Press the MENU button once. The [MENU1 ] appears on screen.
Select MANUAL on the [ADJUSTMENT] screen.
Press the   button to select AUTO.
The screen becomes dark and  ADJUSTING  appears on screen.
A few seconds later, the screen becomes bright again and the
MENU 1 appears on screen.
The automatic screen adjustment has been thus completed.
Usually, you can use the monitor properly after carrying out automatic
screen adjustment .  However, if you feel it necessary to fine-tune the
screen, use the adjustment diskette supplied with the monitor and
adjust the screen manually.
For the procedure for adjusting the screen manually, refer to the Fine
adjustment of the screen.
[CAUTION]
·
If the entire screen is extremely dark, you might not be able to
perform automatic screen adjustment in some modes. In such a
case, the message  OUT OF ADJUST  appears  on  screen,  and
the settings remain unchanged.
Use the adjustment diskette supplied with the monitor or switch
the screen so that the entire screen looks bright and perform
automatic screen adjustment again.
·
If the video signal from the computer is the composite sync or
sync-on-green, the screen might be adjusted properly after carry-
ing out automatic screen adjustment. In such a case, fine adjust
the screen manually.
USB Downstream ports
USB
Upstream port
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Menu screen appears again.
ADJUSTING appears
Menu 1
Menu 1
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@ZapfDingbats, Sffont, RingWorld3
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