ADInstruments S7200 Operation Manual page 45

AD INSTRUMENTS S7200 TV Signal Analyzer Operation Manual
multitouch operation.
Move marker: User only need put the finger on one marker, then swipe the finger
to the left or right. The marker will follow the finger move to different position,
till user's finger stop on one position. As show in Figure 4-8.
Figure 4-8 Move Marker
Decrease the frequency span width: This operation will use multitouch. User need
both hands two fingers (every hand use one finger) on the screen and move to
the left and right side at the same time, the span will become narrow. The center
frequency has a little change. As show in Figure 4-9. User also can use only one
hand two finger two complete this operation, as show in Figure 4-10.
The Figure 4-11 shows the increase span operation.
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