TABLE OF CONTENTS
1. FEATURES.............................................................................. 1
2. SPECIFICATIONS.....................................................................2
3. FRONT PANEL DESCRIPTION....................................................6
3-1 Display..............................................................................6
3-2 Power Button ( ESC, Backli
ht Button )................................6
3-3 Hold Button ( Next Button )................................................
6
3-4 REC Button ( Enter Button )...............................................6
3-5 Ran
e Button ( Button, Time Check Button )...................▲ 6
3-6 A/C Button ( Button, Samplin
check Button )..................▼ 6
3-7 Fast/Slow Button ( SET Button ).........................................6
3-8 Peak Hold Button ( Lo
er Button ).....................................6
3-9 Microphone.......................................................................
6
3-10 AC output terminal...........................................................6
3-11 Calibration VR..................................................................6
3-12 RS-232 output terminal.....................................................6
3-13 DC 9V adapter socket.......................................................6
3-14 Tripod Fix Nut..................................................................6
3-15 Battery Cover Screws.......................................................
6
3-16 Stand..............................................................................6
3-17 Battery compartment/Cover..............................................
6
3-18 SD card socket.................................................................6
4. MEASURING PROCEDURE.........................................................7
5. DATALOGGER..........................................................................9
5-1 Preparation before execute datalo
er function....................9
5-2 Auto Datalo
time 1 second )..............≧ 10
5-3 Manual Datalo
time = 0 second )...........
11
5-4 Check time information.......................................................12
5-5 Check samplin
time information.........................................12
5-6 SD Card Data structure.......................................................12
6. Savin
data from the SD card to the computer........................... 14
7. ADVANCED SETTING................................................................15
7-1 Set clock time ( Year/Month/Date, Hour/Minute/ Second ).....16
7-2 Decimal point of SD card settin
..........................................17
7-3 Auto power OFF mana
ement ............................................17
7-4 Set beeper Sound ON/OFF..................................................18
7-5 Set samplin
time .............................................................
18
7-6 SD memory card format.....................................................
19
8. POWER SUPPLY from DC ADAPTER...........................................
19
9. BATTERY REPLACEMENT..........................................................19
10. RS232 PC serial interface........................................................20
11CALIBRATION .........................................................................21
12. FREQUENCY WEIGHTING CHARACTERISTICS
OF A & C NETWORKS.............................................................22
13. TIME WEIGHTING (FAST & SLOW)
CHARACTERISTICS................................................................22
14. PATENT.................................................................................23
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