Motorola MC50 Specifications download pdf (Page 165)

Glossary 1 - 9

NVM. Non-Volatile Memory.

ODI. See Open Data-Link Interface.

Open Data-Link Interface (ODI). Novell’s driver specification for an interface between network hardware and

higher-level protocols. It supports multiple protocols on a single NIC (Network Interface Controller). It is

capable of understanding and translating any network information or request sent by any other

ODI-compatible protocol into something a NetWare client can understand and process.

Open System Authentication. Open System authentication is a null authentication algorithm.

PAN. . Personal area network. Using Bluetooth wireless technology, PANs enable devices to communicate

wirelessly. Generally, a wireless PAN consists of a dynamic group of less than 255 devices that

communicate within about a 33-foot range. Only devices within this limited area typically participate in the

network.

Parameter. A variable that can have different values assigned to it.

Percent Decode. The average probability that a single scan of a bar code would result in a successful decode.

In a well-designed bar code scanning system, that probability should approach near 100%.

PING. (Packet Internet Groper) An Internet utility used to determine whether a particular IP address is online. It

is used to test and debug a network by sending out a packet and waiting for a response.

Print Contrast Signal (PCS). Measurement of the contrast (brightness difference) between the bars and

spaces of a symbol. A minimum PCS value is needed for a bar code symbol to be scannable. PCS = (RL -

RD) / RL, where RL is the reflectance factor of the background and RD the reflectance factor of the dark

bars.

Programming Mode. The state in which a scanner is configured for parameter values. See Scanning Mode.

Quiet Zone. A clear space, containing no dark marks, which precedes the start character of a bar code symbol

and follows the stop character.

QWERTY. A standard keyboard commonly used on North American and some European PC keyboards.

“QWERTY” refers to the arrangement of keys on the left side of the third row of keys.

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Motorola MC50 Specifications Page 165