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III
4.4.1 File save........................................................................................................... 4-23
4.4.2 File recall ......................................................................................................... 4-24
4.4.3 Disk formatting ............................................................................................... 4-24
4.4.4 File deletion ..................................................................................................... 4-25
4.4.5 Error messages ................................................................................................ 4-25
4.4.6 Floppy disk ...................................................................................................... 4-26
4.4.7 Floppy disk precautions .................................................................................. 4-26
4.5 Parameters initialization ............................................................................................... 4-27
4.6 Functions of the FUNCTION Switch ........................................................................... 4-28
SECTION 5 PRINCIPLES OF OPERATION ............................................................... 5-1
5.1 Pseudorandom Pattern (PRBS Pattern) ....................................................................... 5-1
5.2 Pattern Synchronized Output Period ........................................................................... 5-3
5.2.1 Pseudorandom pattern ..................................................................................... 5-3
5.2.2 Programmable pattern ..................................................................................... 5-3
5.3 Bit shift for Alternate A/B select timing ..................................................................... 5-4
SECTION 6 PERFORMANCE TEST ............................................................................ 6-1
6.1 Test Equipment ............................................................................................................. 6-1
6.2 Error Measurement ....................................................................................................... 6-1
6.3 Test Method .................................................................................................................. 6-2
6.4 Waveform Check .......................................................................................................... 6-3
6.5 Check Items .................................................................................................................. 6-3
SECTION 7 MAINTENANCE ........................................................................................ 7-1
7.1 Daily Maintenance........................................................................................................ 7-1
7.2 Storage Precautions ...................................................................................................... 7-1
7.3 Transportation............................................................................................................... 7-1
7.4 Calibration .................................................................................................................... 7-2
7.5 Disposal ........................................................................................................................ 7-2
SECTION 8 TROUBLESHOOTING AND REPAIR ................................................... 8-1
8.1 Before Considering Trouble ......................................................................................... 8-1
8.2 Fuse Replacement ........................................................................................................ 8-2
APPENDIX A PERFORMANCE TEST REPORT SHEET ............................................ A-1
INDEX ................................................................................................................ Index-1