Hardkey and Softkey Reference ESG Family Signal Generators
LF Out
4-62 User’s Guide
Trigger Key
This softkey is one of the choices in the LF Output Sweep Trigger
menu. With
Trigger Key selected, when you press the Trigger front panel
key you immediately trigger a single sweep of swept-sine low frequency
output.
The
Trigger key has autorepeat capability. Hold it down and you will
repeatedly trigger sweeps until you release the key.
Softkey Location:
LF Out > LF Out Source > Function Generator >
LF Out Waveform > Swept-Sine > LF Out Sweep Trigger > Trigger Key
Trigger Out Polarity Neg Pos
This softkey toggles the polarity of the TTL signal that is output at the
rear panel TRIGGER OUT connector. When
Trigger Out Polarity Neg Pos is
set to
Pos, the output signal is asserted high (+5 V) at the start of the
swept-sine low frequency sweep and low (0 V) when the sweep is
concluded. Setting
Trigger Out Polarity Neg Pos to Neg reverses the polarity,
where a high is 0 V and a low is +5 V.
This softkey is coupled to the
Trigger Out Polarity Neg Pos softkey in the
swept-sine AM, FM, and
Φ
M menus and the sweep/list menu. When the
polarity is toggled for this softkey in any one of these menus, it affects
all locations of the softkey.
This softkey is only active when you have selected the internal source to
operate as a function generator.
Default Value: Pos
Softkey Location:
LF Out > LF Out Source > Function Generator >
LF Out Waveform > Swept-Sine > Trigger Out Polarity Neg Pos
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