Sub Channel Settings - Extech Instruments 400790A User Manual

3.4 Sub Channel Settings
To access the sub menu setting press the following buttons.
1. Press the MENU button to enter the menu list screen.

+
2. Use the /

+
3. Use the /
F, S, τ (10ms) or I (Impulse 35ms), then press  button.

+
4. Press the /

+
5. Press the /
button.
6. Press MENU button to return to the measurement screen.
Note: There is no frequency analysis function for the sub channel. Only the all ‐ pass value is
measured.

-
buttons to select "G). Sub Time Weight" then press  button.

-
button to select the desired time weighting

-
buttons to select "H). Sub Freq Weight" then press  button.

-
buttons to select the desired frequency weighting A, C or Z, then press 
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