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Access ATB420 series Product Specification And Service Manual - page 31
Access keyboards ATB 420/421 Multi-Function Keyboard Product Specification and Service Guide
___________________________________________________________________________
Rev 6
Access Keyboards 2001 & 2002 - All rights reserved Page 31 of 37
To re-assemble the matrix back into the keyboard base, hold the matrix at the back and locate the
mouse switch PCB tangs and the chassis plate into the base moulding apertures at the front of the
keyboard. Tilt the keyboard towards you and carefully ease the TACT switches under the mouse
keys and then gently lower the matrix into position. Replace the 3 screws and locate the matrix
ribbon into its connector. Check that the tactile feel of the mouse tact switches.
7.2.4 Replacement of individual key switches.
The ATB420 uses replaceable switches and has a high quality PTH (Plated Through Hole) circuit
board, which enables switches to be replaced by an operator who is trained in desoldering
techniques. The recommended procedure for replacing a switch is as follows.
Step 1
Desolder the four pins of the switch to be removed
Step 2
Ensure that all the solder is removed around
the pins and that the pins are free to move.
Step 3
Push down on the centre plastic pin of the switch.
Step 4
Inspect the circuit board to check that the
Summary of ATB420 series
Page 1
Unit 18 suttons business park reading rg6 1az, uk tel: +44 (0) 118 966 3333 fax: +44 (0) 118 926 7281 e-mail: sales@accesskeyboards.Com atb420/421 series multi-function keyboard product specification and service guide www.Accesskeyboards.Com.
Page 2: About This Manual
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 2 of 37 about this manual atb420 - installation and use six edition (...
Page 3: Radio Frequency Energy
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 3 of 37 radio frequency energy european emc directive 89/336/eec this...
Page 4: Contents
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 4 of 37 contents 1. Overview ...........................................
Page 5: 1. Overview
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 5 of 37 1. Overview magnetic swipe reader integrated dual illuminatio...
Page 6
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 6 of 37 connections the atb420/421 is connected to its host computer ...
Page 7
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 7 of 37 2. Integrated device specifications 2.1 keyboard data source ...
Page 8
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 8 of 37 2.2 rs232 host interface the atb420/421 uses rs232 hardware h...
Page 9
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 9 of 37 2.5 wedge undecoded bar code reader port (option) data source...
Page 10
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 10 of 37 2.6 auxiliary rs232 interface port data input : standard asc...
Page 11
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 11 of 37 when the keyboard is powered through its keyboard connection...
Page 12: 3. Installation
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 12 of 37 3. Installation bar code reader port (wand/hhlc) aux serial ...
Page 13
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 13 of 37 3. Once the keyboard has been located, a set-up menu will be...
Page 14
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 14 of 37 for keyboard ps/2 or serial outputs keying any of the number...
Page 15
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 15 of 37 3.2 firmware upgrade occasionally access keyboards will rele...
Page 16
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 16 of 37 1. Ensure the keyboard is connected to the pc keyboard port....
Page 17
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 17 of 37 access keyboards progbox rev 2.0 x after a few seconds it wi...
Page 18
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 18 of 37 3.2.2 loading new firmware to the progbox the progbox is con...
Page 19: 4. Ocr Swipe Technique
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 19 of 37 4. Ocr swipe technique the ocr reader operates with a broad ...
Page 20: 5. Data Format Protocol
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 20 of 37 5. Data format protocol the atb420/421 has efficient risc ba...
Page 21
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 21 of 37 5.4 sita data format in sita format, rs232 serial data to an...
Page 22
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 22 of 37 5.4.2 ocr data format (internal device) the atb420/421 can b...
Page 23
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 23 of 37 the atb420/421 will not decode other bar code symbologies. T...
Page 24
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 24 of 37 045h 5.6 arinc data format in arinc format, rs232 serial dat...
Page 25
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 25 of 37 00110010 msr atb coupon the (end of block) marker is always ...
Page 26: “D”
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 26 of 37 6. Atb 420/421 build option part numbers part number options...
Page 27
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 27 of 37 7. Service and repair procedure the atb420/421 keyboard is d...
Page 28
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 28 of 37 exploded view of atb420/421 keyboard (top cover removed for ...
Page 29
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 29 of 37 7.2.1 removal of rear cover and top cover moulding there are...
Page 30
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 30 of 37 7.2.3 removal and replacement of keyboard matrix if a switch...
Page 31
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 31 of 37 to re-assemble the matrix back into the keyboard base, hold ...
Page 32
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 32 of 37 a reasonable level of force is required. The switch should p...
Page 33
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 33 of 37 3. After clicking on yes us keyboard layout will appear on t...
Page 34
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 34 of 37 7.2.6 replacement of pointing device the pointing device is ...
Page 35
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 35 of 37 7.2.7 replacement of main cable before the main cable can be...
Page 36
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 36 of 37 please ensure that the cable is plugged fully onto the heade...
Page 37: Appendix
Access keyboards atb 420/421 multi-function keyboard product specification and service guide ___________________________________________________________________________ rev 6 access keyboards 2001 & 2002 - all rights reserved page 37 of 37 appendix ascii table and description ascii stands for americ...