Metrologic IS3480-00 User Manual download pdf (Page 20)

ScanVue5

Mini Kiosk

User Manual

M37574–01T

Industrial Electronic Engineers, Inc.

23-June-2008 Rev T Page 11

with the access point, the ScanVue5

must have a matching, case sensitive ESSID

entered into its memory to replace the default. The ESSID can be entered through the

ScanVue5

internal barcode reader.

The ESS ID is a barcode label in the following format:

NN nn x

…x

where NN=fixed characters, nn=# of characters in ID (1–32)

…x

= ID (1–32 characters)

Load the ESS ID as follows:

1. Create a barcode label with the ESS ID formatted as described above.

2. Power the ScanVue5

unit and verify the barcode scanner is operational—look at the

underside and check the scanner is lit and rotating.

3. Scan the ESS ID barcode you created.

4. Scan the “Save Configuration and Reboot” barcode.

5. The ScanVue5

unit will reboot and should now communicate with the network.

Setting Up a Wireless RF Link

Before installing a new wireless RF data link, it is important to perform an RF site survey

to characterize the immediate environment and ensure a reliable system is designed.

The general pointers we indicate below will assist in the initial installation and diagnosis

of a link problem, however your first line of technical support is the specialized help

available from the manufacturer of the access point or your IS or VAR people doing the

installation.

1. Unobstructed line–of–sight is best. If you can, arrange the ScanVue5

units so there

is an unobstructed line–of–sight to the access point. Under these ideal conditions

and assuming no interference from other 2.4Ghz sources, you should get up to 150'

distance. In a typical office or retail environment 30'–50' is more typical.

2. Mount the access point as high as possible in the line–of–sight. This way the signals

should travel above racks, shelving, customers, etc. The human body is 90% water

and a good RF signal absorber—this is why cell phones often don’t work well inside

buildings and around crowds of other people.

3. Keep reflective surfaces like mirrors and polished stainless steel, and metal objects

with sharp points to a minimum and away from the antenna as much as possible.

4. If you are having trouble making a connection, try moving the ScanVue5

closer to

the access point, raising it, or lowering it.

As the ScanVue5

unit cannot easily be moved once installed, it is often more

convenient to have a portable signal strength meter or an IEEE802.11b RF NIC card

in a laptop computer during installs. The NIC driver will have a RSSI graph or will

display the signal strength as a percentage depending on the NIC used.

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