Table of Contents
1
Introduction ...................................................................................................................................................... 1
1.1
About this manual .................................................................................................................................... 1
1.2
About warnings and cautions .................................................................................................................. 1
1.3
General information ................................................................................................................................. 1
2
Maintenance and Disassembly ....................................................................................................................... 2
2.1
2.2
2.3
Disassembling the Cabinet ...................................................................................................................... 6
2.3.1
Mainboard .................................................................................................................................... 7
2.3.2
Rotary dial .................................................................................................................................... 8
2.3.3
Display ......................................................................................................................................... 9
2.3.4
Nice to know ................................................................................................................................ 9
3
Calibration Procedure ................................................................................................................................... 10
3.1
3.1.1
3.2
Equipment requirements ....................................................................................................................... 11
3.2.1
3.2.2
3.3
Calibration of test equipment ................................................................................................................. 12
3.3.1
Calibration mode entering ......................................................................................................... 12
3.3.2
Checklist for calibration ............................................................................................................. 13
3.4
3.5
Main startup ........................................................................................................................................... 16
3.6
Saving the calibration data .................................................................................................................... 17
4
Calibration of Transducers ........................................................................................................................... 19
4.1
4.1.1
Transducer setup ....................................................................................................................... 19
4.1.2
4.1.3
Transducer calibration ............................................................................................................... 21
4.1.4
Volume calibration ..................................................................................................................... 22
4.1.5
Pressure calibration ................................................................................................................... 23
4.1.6
4.2
4.2.1
5
5.1
Pressure test .......................................................................................................................................... 29
5.2
Diode test ............................................................................................................................................... 30
5.3
Volume test ............................................................................................................................................ 31
5.4
Attenuator test ....................................................................................................................................... 33
6
6.1
Calibration properties.............................................................................................................................. III
6.2
6.3
6.4
6.5
7
Appendix B - Block Diagram .......................................................................................................................... x
8
9