TEXIO FGX-2220, Инструкция по эксплуатации

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Note To sweep from low to high frequencies, set a positive
span.To sweep from high to low frequencies, set a
negative span.
When marker is off, the SYNC signal is a square wave
with a duty cycle of 50%. At the start of the sweep, the
SYNC signal is at a TTL low level that rises to a TTL high
level at the frequency midpoint. The frequency of the
SYNC signal is equal to the sweep time.
When marker is on, at the start of the sweep, the SYNC
signal is at a TTL high level that drops to a TTL low level
at the marker. The SYNC signal is output from the mark
output terminal.
4-6-4. Sweep Mode
Sweep mode is used to select between linear or logarithmic sweeping. Linear
sweeping is the default setting.
Panel Operation
1.
Press the SWEEP key.
Sweep
2.
Press F2 (Type).
Type F2
3.
To select linear or logarithmic
sweep, press F1 (Linear) or F2
(Log).
Linear
F1
~
Log
F2
4.
Press Return to return to the
previous menu.
Return