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V5.1‐March2010
z One of the following two prompts will display at the bottom-left of the screen
when the Format is set to Vrms.
— CH1 voltage level
— FFT vertical position
Press the blue button VOLTS POSITION; the following will appear:
— CH2 OFF
9. If the FFT source is CH2, press the blue button VOLTS POSITION ,
z One of the following three prompts will display at the bottom-left of the screen
when the Format is set to dB.
— FFT dB level
— CH2 voltage level
— FFT vertical position
z One of the following two prompts will display at the bottom-left of the
screen when the Format is set to Vrms.
Press the red button VOLTS POSITION; the following screen will appear:
—CH1 OFF
10. When the FFT source is CH1:
z If the display at the bottom left side of the screen is "
-FFT dB level ", use
the red buttons VOLTS POSITION▲ and ▼ to adjust the dB value
(the DIV selections include 1dB 2dB 5dB 10dB and 20dB).
z If the display at the bottom left side of the screen is "
-CH1 voltage
level", use the red buttons VOLTS POSITION▲ and ▼ to adjust the voltage