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 If the spectrum analyzer with no battery is powered up with the external power supply, “ ” will be
displayed;
 If the spectrum analyzer is powered up with the fully charged battery and no external power adapter is
connected, “
” will be displayed; and if the battery is fully charged and the external power
adapter is connected, “
” will be displayed. With the battery capacity decreasing in
operation, the green zone of the battery capacity symbol will decrease gradually.
 If the spectrum analyzer with the battery is connected to the external power adapter but the battery
capacity is less than 100%, the battery will be charged, and the icon “
” will be displayed.
 If the spectrum analyzer is not connected with any external power supply, and the battery capacity is less
than 20%, the battery is in the undervoltage state, and the icon “ ” will be displayed. In this
case, the battery should be charged promptly. If the battery capacity is less than 10%, the spectrum
analyzer may further operate for about 10min. In this case, measurement results should be kept promptly.
If the battery capacity is less than 5%, the spectrum analyzer will be shut down automatically.
2) Marker, signal standard and title display zone
Press [System]→[Tip Off On
], and the title information will be displayed in this zone.
Press [frequency]→[Signal Std], and the current signal standard name will be displayed.
Press [Maker] or [Peak], and the frequency and amplitude information of the current active marker will be displayed.
3) Measurement trace display zone
The measurement trace display zone shows measurement data. The contents displayed in this display zone vary in
different measurement modes.
4) Left information display zone
This information display zone on the left upper part of the screen shows the current measurement information, such
as the reference level, attenuator setting, display scale, resolution bandwidth, video bandwidth and sweep time,
which can be respectively set with corresponding function keys shown in the table below.
Table 3-1 Functions of Left Display Zone in Spectrum Analysis Mode of S3302 Series