Aim TTi TGF4000 Serie Guia De Inicio Rapido página 19

5 - Basic Set-up Examples
Setting-up a Square Wave Clock Signal
Press the soft-key labelled LoLvl - the current low level voltage appears in the edit box.
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Use the numeric keypad to enter a new level. Press 0
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Press the soft-key labelled V to confirm a low level of 0.0 volts.
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Turn the Output On
Press Output 1 key to turn the channel 1 output On.
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The Output 1 key illuminates orange to indicate the on state
18 TGF4000 Series Quick Start Guide