The following articles apply to (RECORDERS) DR4200, and are listed in chronological order, with the most recent articles first. How to check pen alignment at zero and span on a DR4200GP Recorder - Article ID: 16501 13-Feb-01 How to restore factory calibration in a DR4200EV recorder - Article ID: 16233 11-Dec-00 How to get a parts list for the DR4200EV Recorder - Article ID: 14658 23-Feb-00 How to align the pen(s) on the DR4200EV Recorder - Article ID: 14657 23-Feb-00 How to get Configuration Data for the Liebert Chart Recorder - Article ID: 9909 23-Mar-99 How to get a list of available 10", Dual Range Circular Charts - Article ID: 8535 22-Oct-98 How to get a parts list of recommended 10 inch, single range charts - Article ID: 5917 31-Dec-97 How to do an EV model, optional control, output setup - Article ID: 5614 03-Dec-97 How to perform a Current Proportional Output Calibration on a DR4200EV - Article ID: 3625 25-Jul-97 How to perform an Input-Field Calibration Procedure on a DR4200EV - Article ID: 3624 25-Jul-97 How to get a Parts List for the DR4200GP - Article ID: 3566 19-Jul-97 How to run an Optional Self Test on the DR4200GP - Article ID: 3565 19-Jul-97 How to Service and Troubleshoot the DR4200GP - Article ID: 3415 09-Jul-97 How to do Input Wiring for the DR4200EV - Article ID: 3257 27-Jun-97 How to configure a Relay Output on the DR4200 GP - Article ID: 3070 17-Jun-97 How to Wire the Power Supply Output on a DR4200EV - Article ID: 2899 05-Jun-97 How to do Output Wiring on a DR4200EV - Article ID: 2889 04-Jun-97 How to Configure DR4200EV Totalizer, Control and Alarm Function - Article ID: 2888 04-Jun-97 How to configure a DR4200EV - Article ID: 2887 04-Jun-97 How to configure a DR4200GP - Article ID: 2886 04-Jun-97 How to do Input Wiring on a DR4200GP - Article ID: 2884 04-Jun-97