Extech Instruments 400790A, Руководство пользователя

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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 ‐ )
AP
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.
3.7.3 Trigger Time Setting
This is a reoccurring Triger that will start a meter recording at a specific Trigger delay time
setting and the recording will stop at the set Measurement time and then start up again at the
trigger wait time.
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 “ TIME ” then press the

button.