Motorola LS7708 ユーザーズマニュアル

3-6

If after performing these checks the symbol still does not scan, contact the distributor or call the Global 
Customer Interaction Center. See 

 for contact information.

The omni-line scan pattern does not 
display when following the directions for 
installing the host cable on 

.

No power to the scanner.

Ensure the host has power and is on. If the scanner uses a separate 
power supply, ensure it’s connected to a working AC outlet.

Interface cable is not properly connected.

Check for loose cable connections.

Scan line(s) display, but bar code cannot 
be read.

Scanner is not programmed to read the bar 
code type.

Ensure scanner is programmed to read the bar code type being scanned.

Bar code is damaged.

Try scanning other bar codes of the same bar code type.

Bar code is too far from scanner.

Move the bar code closer to the scanner.

The host has disabled scanning or 
overridden parameter settings.

See the technical person in charge of scanning.

Bar code is decoded, but not transmitted 
to the host.

Scanner is not programmed for the correct 
host type.

Scan the appropriate host type bar code.

Scanned data is incorrectly displayed on 
the host.

Scanner is not programmed to work with 
the host. Check scanner host type 
parameters or editing options.

• Ensure proper host is selected.
• For RS-232, ensure the scanner’s communication parameters match 

the host’s settings.

• For keyboard wedge, ensure scanner is programmed with the correct 

country code and that the CAPS LOCK key is off.

• Ensure editing options (e.g., UPCE-to-UPCA Conversion) are properly 

programmed.

Although the green and red Power LEDs 
are on, the scanner does not produce the 
omni-directional scan pattern.

Scanner has gone into Low Power “Motor 
Sleep” Mode.

Press the Volume Control & Wakeup button to awaken the scanner.

USB or Synapse host not functioning 
properly.

Scanner does not recognize host.

Remove and reinsert external power supply to force cable to autodetect 
correct host.

An error occurs when connecting to a USB 
host.

Cables were installed in the incorrect order. See 

 for the 

correct order of insertion.

Handheld scanner does not power on.

External power supply is not attached.

Connect an external power supply directly to the scanner, not to the host 
cable.

Auxiliary RS-232 device data is not 
received properly.

External power supply is not attached.

Connect an external power supply directly to the scanner, not to the host 
cable.

Auxiliary device supplies TTL level RS-232 
signals.

Use a device that supports standard RS-232 signal levels.

Auxiliary settings are incorrect.

Use auxiliary RS-232 port settings, not the RS-232 host settings.

Note