IBM 4820, Планирование, установка и руководство по обслуживанию

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This table specifies the resolution by model number or touch technology type.
Condition description Resolution
Pointing device malfunctioning All Models:
1. Make sure the pointing device is securely attached to the display.
2. Run the pointing device test using the service diskette, if available
for your model.
3. Replace the pointing device.
4. For models 48D, 48T, see the IBM POS Device Diagnostics,
which came with the POSS for Windows installation.
Capacitive and Resistive Touch Problems
Condition description Resolution
Touches are not accurate
1. Check that the Cursor Vertical Offset and Edge Adjustment are
turned off.
2. Select the Calibrate tab and calibrate the touch screen
Drawing lines are not straight and smooth Select the Cursor tab and click Stabilize Cursor . Follow instructions
displayed on the screen.
Double-click does not work
1. Select the Touch Settings tab to adjust the double-click speed and
area.
2. Set the Double-click speed in the slow to medium range.
3. Set the Double-click area in the medium to high range.
4. Tap twice on the Test figure to test the double-click speed and
area settings. If the Test figure begins to move (or stops moving),
the touch screen recognized your touches as a double-click.
Cursor does not appear after starting
Windows
1. Select the Cursor table and verify that the Cursor Visibility is
turned on.
2. Check the Windows Control Panel Mouse Properties page to
verify that touch screen Hidden Cursors is not selected.
Cursor is not located directly underneath your
finger
1. Select the Cursor tab and check that Cursor Vertical Offset and
Edge Adjustment are turned off.
2. Select the Touch screen Properties dialog box and select the
Calibrate tab. Follow the instructions for calibrating your touch
screen.
Cursor does not reach out to edges of
screen.
1. Select the Cursor tab and check that Cursor Vertical Offset and
Edge Adjustment are turned off.
2. Select the Touch screen Properties dialog box and select the
Calibrate tab. Follow the instructions for calibrating your touch
screen.
Cursor is jittery Run the Stabilize Cursor option.
Cursor jumps or bounces suddenly across
screen
You could be touching the screen in more than one spot at the same
time. Be sure to point and touch with one finger only.
After calibration, the cursor does not appear
under your finger tip when touching the
screen.
Turn off the Cursor Vertical Offset and Edge Adjustment options on
the cursor tab.
IR Touch Problems
Display beep does not sound.
1. Install the IBM Advanced Touchscreen Configurator (see “IBM
Advanced Touch Screen Configurator” on page 65).
2. Run the Reload Beep Config program.
Update November 2005
Chapter 4. Troubleshooting common problems
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