1. OPERATORS SAFETY 1-1E r 1.1 Introduction... 1 -1E 1.2 Safety precautions ... 1 -1E 1.3 Caution and warning statements ... 1-1E 1.4 Symbols... ME 1.5 Impaired safety protection... ME 2. INSTALLATION INSTRUCTIONS 2-1E 2.1 Initial inspection ...2-1E 2.2 Safety instructions...2-1E 2.2.1 Earthing...2-1E 2.2.2 Mains voltage cord and fuses...2-1E 2.3 Memory back-up ...2-2E 2.4 Operating position of the instrument...2-2E 2.5 IEEE 488/IEC 625 Bus Interface 2-3E 2.6 Rackmount version...2-3E 3. OPERATING INSTRUCTIONS 3-1E 3.1 Switching-on and auto-set ...3-1E 3.1.1 Switching-on...3-1E 3.1.2 Auto set...3-1E 3.2 Explanation of controls and sockets...3-2E 3.2.1 Introduction...3-2E 3.2.2 CRT control area...3-4E 3.2.3 Up-down control area...3-5E 3.2.4 Function control area...3-6E 3.2.5 Potentiometer area...3-13E 3.2.6 CRT softkey menu...3-14E 3.2.7 Inputs and outputs...3-16E 3.2.8 Rear panel...3-17E 3.2.9 Application select menu...3-18E 3.3 Principle of operation...3-19E 3.3.1 Control section ...3-19E 3.3.2 Vertical deflection ...3-20E 3.3.3 Horizontal deflection ...3-21E 3.3.4 CRT Display...3-22E 3.3.5 Plotter section...3-22E 3.3.6 Power Supply ection...3-22E 3.4 Brief checking procedure...3-22E 3.4.1 General information...3-22E 3.4.2 Entering the brief checking procedure ...3-23E 4. PREVENTIVE MAINTENANCE 4-1E 4.1 General information...4-1E 4.2 Removing the bezel and contrast Filter 4-1E 4.3 Recalibration...4-1E 5. CHARACTERISTICS 5-1E 5.1 Display...5-2E 5.2 Vertical deflection or Y axis...5-2E 5.3 Horizontal deflection or X axis...5-4E 5.3.1 Time Base...5-4E 5.3.2 X-deflection ...5-4E 5.3.3 EXT input...5-4E 5.4 Triggering...5-5E 5.5 Signal acquisition...5-5E 5.6 Channels A and B...5-6E 5.7 Time-base...5-7E 5.8 Trigger...5-7E 5.9 Memory...5-7E 5.10 Display...5-7E 5.11 Calculation facilities...5-8E 5.12 Auto setting ...5-8E 5.13 Cursors...5-8E 5.14 Power Supply 5-8E 5.15 Sundries...5-9E 5.16 Auxiliary inputs or outputs ...5-9E 5.17 Environmental characteristics...5-10E 5.18 Safety ...5-11E 5.19 Acessories...5-1 IE 5.19.1 Accessory information...5-11E 6. GLOSSARY OF TERMS 6-1E APPENDIX A A1 APPENDIX B B1 APPENDIX C C1