Intermec CN3 Uživatelský manuál stáhnout pdf (Strana 120)

Chapter 4 — Maintaining the Computer

106 CN3 Mobile Computer User’s Manual

Cleaning the Scanner and Camera Windows and Screen

To keep the CN3 in good working order, you may need to clean the EA11

scanner and color camera windows and the screen.

Clean the scanner and camera windows and screen as often as needed for

the environment in which you are using the CN3. To clean the CN3, use a

solution of ammonia and water.

The input device attached to the

CN3 does not work well or read

bar code labels very quickly.

Set the Scanner Model command to the specific attached input device. Check

enabled bar code symbologies and enable only the symbologies being used.

The scanner will not read the bar

code label.

Aim the scanner beam to cross entire bar code label in one pass. Vary the scan-

ning angle.

Check the quality of the bar code label, Scan a bar code label that you know will

scan. Compare the two bar code labels to see if the bar code quality is too low.

You may need to replace the label that you cannot scan.

Ensure the bar code symbology is enabled. Use the Intermec Settings applet to

check the symbologies. Expand Data Collection > Symbologies beneath devices

listed (scanner, virtual wedge) to check and enable symbologies, then scan the bar

code label again.

Ensure the CN3 application is expecting input from a bar code. You may need to

type this information instead.

The scanner does not read the bar

code labels quickly, or the scan-

ning beam seems to be faint or

obscured.

The scanner window may be dirty. Clean the window with a solution of ammo-

nia and water. Wipe dry. Do not allow abrasive material to touch the window.

You scan a valid bar code label to

enter data for your application.

The data decoded by the scan

module does not match the data

encoded in the bar code label.

The CN3 may have decoded the bar code label in a symbology other than the

label’s actual symbology. Try scanning the bar code label again. Make sure you

scan the entire label.

There are no user-serviceable parts in the CN3. Opening the unit will

void the warranty and may cause damage to the internal components.

Problems While Scanning Bar Codes (continued)

Problem Solution

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