HT155 - HT157
EN - 42
7.1.2. RECALLING THE 24H ANALYSIS DATA ON THE DISPLAY
1. Select a datum corresponding to the “24H” indication available in the list of saved
measures and press “
”. The instrument displays the following screen:
Line 1
Line 2
Line 3
Line 4
Lines 5-10
Fig. 43: Initial numerical display of "24H" analysis data
Line 1
This line shows the measure name defined in the programming menu
(see § 4.6)
Line 2
This line shows the date/time when measurement was started
Line 3
This line shows the type of “24Hxx” measurement, where “xx” stands for
the number of intervals considered (max 24), and the measuring time
defined in the programming menu (see § 4.6)
Line 4
This line shows the measuring range selected before starting measuring
Lines 5-10
These lines show the numerical values measured by the instrument
2. Press the “
” key to display in detail the value of each interval considered (e.g.: 8
intervals in Fig. 45). Press the “ ” or “
” keys to go to the next pages and the “ ” or “ ”
keys to display the values of parameters Ld, Ln and Ldn
Fig. 44: Detailed display of "24H" analysis intervals
3. Press the “
” key again for a graphic histogram display of the distribution of the
measured values for each interval
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 ...