11.3.4 Changing spectrum type in Vibration modes - Spectrum Type 103
12 REVERBERATION TIME MEASUREMENTS - RT60 104
12.1 Selecting the RT 60 function 104
12.2 Settings of the RT60 analysis 104
12.3 Configuring RT60 views 107
12.4 Start RT60 measurements 107
12.5 Viewing of RT60 results 109
13 REMOTE CONTROL TOOLS 112
14 MAINTENANCE 113
14.1 Powering of the instrument 113
14.2 Memory card extraction and insertion 114
14.3 Transducers 114
14.4 Resetting the instrument 115
14.5 Firmware upgrade 116
14.6 Preservation of internal batteries 116
14.7 Transportation and storage 116
14.8 Cleaning 116
14.9 Troubleshooting 117
15 GLOSSARY 118
15.1 Modes and Measurement Functions 118
15.2 Calibration 119
15.3 Definitions of measured results 120
15.4 Measurement parameters 123
15.5 Display parameters 136
15.6 Instrument parameters 140
15.7 Auxiliary parameters 148
APPENDIX A. REMOTE CONTROL 149
A.1. Function #1 – Input/Output of the control setting codes 149
A.2. Function #2 – Read out of the main measurement results 150
A.3. Function #3 – Read out of the measurement results in 1/x OCTAVE or FFT mode 152
A.4. Function #7 – Special control functions 152
A.5. Function #D – Read / Write the data files from the external memory (SD-card) 162
A.6. Control setting codes 163
APPENDIX B. DATA FILE STRUCTURES (firmware revision 1.21) 170
B.1. General structure of the SVAN 977 files 170
B.2. Structure of the file containing results from logger’s file 194
B.2.1. The contents of the logger file 195
B.2.1.1. Record with the results 195
B.2.1.2. Record with the state of the markers 196
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