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Peripheral Interfacing Options with Vocollect Voice Appliances Page 19

1-Dec-2010 Version 4.0

Barcode Identifier Label For Pairing Scanners

The barcode created to pair the scanner with the Talkman is typically composed of a control

sequence that is typically unique to each type/brand of scanner. Some scanners have a single

control sequence followed by the MAC address of the destination that can be represented as

one bar code. Other scanners may require separate scans of a control sequence and

destination MAC address. In all cases, however, it will be necessary to know the destination

MAC address of the Talkman in order to create a barcode that can be printed and read for

pairing to that Talkman. (While the MAC address is both printed and represented on a

barcode on Talkman T5 Series terminals, scanning that MAC address will not initiate

pairing because it does not contain any control sequence. )

In order to have the scanner initiate a connection with the Talkman it is essential to use the

correct barcode. This typically will require software that is capable of creating barcodes.

There are several commercial software packages as well as free packages on the internet that

can be used to do this.

Note: Many scanners use a code referred to as “FNC3” to initiate a programming

sequence. FNC3 can be entered using the numeric keypad (not regular keys) while

holding down the ALT key and entering 0179. The numeric keypad must be used to

enter this combination, it will not work using the regular number keys

While Talkman T5 Series terminals have barcodes that specify their Bluetooth address,

scanning that address will not pair it with a scanner. A correctly generated barcode specific

to the scanner being used must be scanned. These barcodes will typically vary and be

different for different scanners. It is important to read and understand the unique set-ups

that each scanner may require to successfully pair it with Talkman T5 Series terminals as

well as understand any scanner specific behaviors that may also need to be changed to meet

operational needs (such as power-off timeouts, disconnection timeouts, etc.)

Troubleshooting Bluetooth Scanners

With any relatively open communication system like Bluetooth there are often parameters

available that must be set correctly in order to successfully interface. Some common issues

are:

Prefix or suffix characters – It is important that the scanner be set up to send any

prefix or suffix characters that the Talkman task is expecting. Some tasks require a

prefix character to identify the barcode symbology in use so that it can properly be

parsed. VoiceClient will require that the barcode be terminated with a carriage-

return/line-feed combination. Data will not be successfully transmitted if these

settings do not match. A symptom of this behavior is the scanner appearing to

successfully pair and scan, but the Talkman not acknowledging the data

transmission.

Power management –Some scanners will power down to conserve their battery

power. Often this includes powering down their Bluetooth radio which will break the

pairing with the Talkman. The time that it takes to power up and reestablish the

link may interfere with work. It may be necessary to change power management

options from default behavior to assure that there is no delay in scanning caused by

any disconnect/reconnect. Some scanners may also disassociate any pairing by

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