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Product Reference Guide 2-23

Diagnostic Modes

Two diagnostic modes are available which allow you to initiate scanner or

scale diagnostic tests, as well as verify the scanner’s ability to read barcodes.

Scanner Diagnostic Mode

While in Scanner Diagnostic Mode, continuous scanning of labels is

allowed, permitting the user to scan an unlimited number of barcodes

while troubleshooting problems. Under normal operation, the scanner

stores label data, awaiting the signal which transmits it to the host. When

the scanner is not connected to a host, it may read and store only up to

two labels, then quit reading until power is cycled (clearing the memory).

This mode of operation removes this limitation.

To place the scanner in Scanner Diagnostic Mode, press the Volume/Tone

Push Button for approximately four seconds. While pressing the button,

the scanner will first sound three tones, wait a few seconds, then sound six

rapid tones; after which you should immediately release the button.

While in Scanner Diagnostic Mode, identification numbers for interface

type, firmware and configuration will scroll continually across the scan-

ner’s 7-segment FRU (Field Replaceable Unit) display. This is useful infor-

mation for field diagnostics. See Figure 4-1 for the location of the display.

For example, if the dual cable RS-232 interface (type 05) were enabled,

the firmware designation was R96-1234, and the configuration was R96-

5593, the following would be shown (slowly, with blanking between each

of the items):

IF-05 r96-1234 r96-5593.

To exit Scanner Diagnostic Mode, cycle power to the unit or press and

hold the Volume/Tone Push Button for eight seconds to reset the scanner.

See the topic,

Scanner and Scale Reset in Chapter 3 for more information

about unit resets.

Scale Diagnostic Mode

To enter Scale Diagnostic Mode, press the Scale Zero Push Button for

approximately four seconds. Six rapid tones will be sounded, indicating

the unit is leaving normal operation and entering Scale Diagnostic Mode.

The Remote Display will flash a ‘1’ across the display while the dignostic

routine is being run. When diagnostics are completed successfully, the dis

1. A listing of scanner interface identification numbers is available in Section 7, under the topic,

Interface Type.

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 479 480

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PSC Magellan 8500 Spécifications Page 53