Extech Instruments 407790A, User Manual

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407790A-EN_V2.4 1/20
5.4 Auto 1 Memory Storage
Memory Store
Continuously store the current measured data as 1 set, at preset record interval times.
1. Power on the meter.
2. Press the MENU button to enter the menu list screen.
3. Use the

+
/

-
buttons to select “B). Storage” then press the

button.
4. Use the

+
/

-
buttons to select “FLASH” or “SD Card” then press the

button.
Selecting FLASH will store the data in the internal memory.
Selecting SD Card will store the data on the SD CARD.
5. Use the

+
/

-
buttons to select “C). Store Mode” then press the

button.
6. Use the

+
/

-
buttons to select “AUTO 1” then press the

button.
7. Use the

+
/

-
buttons to select “Interval Time” then press the

button.
8. Use the

+
/

-
buttons and the

button to set the desired record interval time from 1
second to 23h59m59s, then press the

button.
9. Use the

+
/
 -
buttons to select “A). Measurement time” then press the

button.
10. Use the

+
/

-
and

button to set the desired measurement time from 1 second to
23h59m59s, then press the

button.
Note: Measurement Time must be greater than or equal to the set Interval Time
11. Set the other measurement parameters (trigger mode, sub channel etc.) as required, using
the MENU button to select setting items.
12. Press the MENU button to return to the measurement screen.
13. Press the STORE button to start the measurement. If a trigger has been set, measurement
will start when the trigger conditions are met.
Important: During recording, only the START/STOP , PAUSE/CONT , , STORE , and M
buttons are operative. Other keys such as the FREQ WEIGHT TIME and

LEVEL

button
have no effect. Be sure to complete all settings before starting the store process.
If the trigger mode is “OFF”, storing of measurement data will stop when the end of the
measurement time is reached.