Display Symbols - Extech Instruments SL250W User Manual

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Product Description
APO ON/OFF

4.3 Display Symbols

1. Bluetooth active
2. A-weighted (dBa) sound level reading
3. Maximum reading
4. Minimum reading
5. Data Hold mode
6. Battery status icon
7. Slow response mode
8. Fast response mode
9. Auto Power Off (APO) symbol
#NAS100077; r. AA/78958/78963; en-US
FAST / SLOW button
Short press to toggle the Fast and Slow modes. In Fast mode (125 ms)
sounds that peak very quickly, such as a firework ignition or a rifle dis-
charge, can be captured. Slow mode (1 second) is intended for sounds
that are continuous, such as the drone of machinery.
With the meter on, long press the power and H buttons to switch APO
on/off. The APO symbol
reset each time the meter power is cycled.
is displayed when APO is enabled. APO is
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