HT155 - HT157
EN - 50
5. Press the “Browse” key and select the folder …\Sound Meter usb driver\ inside the
USB pen drive provided (after saving the content of the pen drive on the HD of the PC).
Press “Next”
6. Select the file with extension “ch375wdm.inf” and proceed with “Next”
7. The installation procedure of the driver is started by the PC
8. Press “Finish” to stop the installation procedure of the USB driver
Summary of Contents for HT155
Page 1: ... Copyright HT ITALIA 2011 Release EN 1 02 28 12 2011 HT155 HT157 User manual ...
Page 2: ......
Page 62: ...HT155 HT157 EN 60 12 APPENDIXES 12 1 APPENDIX 1 FREQUENCY WEIGHTING CHARACTERISTICS ...
Page 63: ...HT155 HT157 EN 61 12 2 APPENDIX 2 CHARACTERISTICS OF 1 3 OCTAVE BAND FILTER ...
Page 64: ...HT155 HT157 EN 62 ...
Page 65: ...HT155 HT157 EN 63 ...
Page 67: ...HT155 HT157 EN 65 12 4 APPENDIX 4 CHARACTERISTICS OF 4HZ HIGH PASS DIGITAL FILTER ...