10
12.
INTEG
TIME
button :
Select the default measurement time : Press this button one time enter to
integrating measurement time select mode, use “
” buttons to select
the measurement time,
new manual setting time
→
--:--:--
→
1sec
→
3sec
→
10sec
→
30sec
→
1min
→
5min
→
8min
→
10min
→
15min
→
30min
→
1hour
→
8hour
→
24hour.
Setting to desired measurement time : Press this button 2 seconds enter to other
desired integrating measurement time setting mode, the setting range from 1
second to 100 hours.
13. micro SD CARD 4GB.
14. CAL potentiometer: Calibration potentiometer for level adjustment.
15. Micro-USB: USB input/output connector for input of control signals and output of
measurement data.
16. ALARM output: Sound level alarm output.
17. Thermal printer output jack: Connection the PROVA 300XP printer.
18. AC/DC output socket: AC output signal with frequency weighting.
DC output signal corresponding to sound level.
19. External DC power supply socket: Type 1.3 coaxial power connector; center
negative, nominal 6V DC.
20. Tripod mounting: ¼” - 20 UNC Female thread.
21. Battery cover.
6. LCD DISPLAY DESCRIPTION
