Troubleshooting – Sharp Electronic Dictionary PW-E550 User Manual

Page 32

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Troubleshooting

Solutions to possible symptoms may be found here.

The unit cannot be switched on.

• Check if the battery is drained. See page 28.

• Check the battery replacement switch; it should be set at the ‘NORMAL

OPERATION’ position. See page 2.

• Check the polarity of the battery. See page 2.

• Verify the LCD contrast setting; the power may be switched on, but the

message on the screen may not be visible. See page 12.

• If the above settings appear normal, then press the RESET switch. See page

29.

The screen is dark or light.

• Adjust the LCD contrast. See page 12.

The key sound cannot be heard.

• The key sound may be set to OFF. See page 11.

The unit does not respond to a key press.

• Press the RESET switch. See page 29.

The unit shuts off automatically.

• The Auto power off function is in action. The activation interval of the Auto

power off function can be adjusted. See page 12.

The desired word cannot be found.

• A variant form of the word may have been entered. Enter the original form.

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