Settings; Frequency Weighting And Time Response; Exchange Rate (Er); Charging - 3M SD-200 Mode D'emploi

7

Settings

Settings
Typical sound level measurements are performed with A frequency weighting, Slow
time response, and the factory default 3 dB exchange rate. If your application
requires other settings, please change accordingly.

Frequency weighting and time response

The frequency weighting and the time response can be changed on the instrument by
pressing the following when in stop mode.
1. To change A or C frequency weighting, press
2. To change Fast or Slow time response, press

Exchange rate (ER)

The exchange rate can be set to either 3 dB (for L
values). The factory default is set at 3 dB. To change, please follow below:
1. While powered off, press and hold
2. The exchange rate screen (with L
key to change the setting.
3. Press

Charging

Using the computers USB port, the SD-200 is charged with a mini-USB
cable plugged into the bottom of the instrument. It will charge in 2.5 to 12
hours when the battery is fully discharged based on available power.
 Note: when connecting the instrument to your pc, a new device hardware wizard
will appear. If you cancel the wizard, the instrument will charge without the
drivers. If you wish to install the drivers, they are located at:
www.3M/SoundDetector.com.
SD-200 with USB connector

Figure 1-7: Charging

key to accept the setting. (To cancel, press
key.
key.
values) or 5 dB (for L
EQ
key and then press
/L indicators) will appear. Press
EQ AVG
Battery icon
When SD-200 is turned on, it
will flash. When fully charged,
it will no longer flash.
Charging indicator
When turned off, dashes will
appear with the charge icon
flashing.
AVG
key.
key.)