<Figure2-18>
10.F2 key to change the scan step
11.F1: to switch ZOOM mode and NORMAL can mode
12.Green axis indicates focused frequency, can be moved by
up & down Key for faster movement or by left & right keys for
slower movement.
13.Top maker will be shown on the high level position of spectrum.
14.The user can move the green column to the wave
crest,and
press OK to scan out the channels.
TIPS: Distinguishing of the analog spectrum. There is few
change
of the spectrum data between the neighbor steps when signal
is weak. In case, the signal appears, the spectrum level will increase
suddenly or the slope increase to a certain data, which is the peak.
19
