Extech Instruments 407790A, Руководство пользователя

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407790A-EN_V2.4 1/20
Trigger Operation - example
1. Sound Level
2. Time
3. Slope + Trigger
4. Slope - Trigger
5. Trigger Level
3.7.1 Trigger Setup
1. Chose trigger operation [off, Level 1, Level 2, External, or Time].
2. Set the Trigger Band: AP or Octave band frequency
3. For Level 1 and 2: chose the Trigger level in dB.
4. External Trigger, chose slope (+ or -)
3.7.2 External Trigger Setting
1. Press the MENU button to enter the menu list screen.
2. Use the

+
/

-
buttons to select “K). Trigger” then press the

button.
3. Use the

+
/

-
buttons to select “EXT” then press the

button.
4. Press the MENU button to return to the measurement screen.
AP