Main Control Keys; Default Mode - AOR SDU5600 Instruction Manual

Professional spectrum display unit for use with a companion receiver

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(10) Receiver Information

This section indicates the status of the connected receiver with the following items:

Receive Frequency

Receive mode

Tuning Frequency Step

RF Attenuator on/off

(12) Signal Display

Received frequencies are plotted on the horizontal scale and signal strength on the

vertical scale, showing the overall effect of signal activity over the given frequency span.

The bottom horizontal line is the 'baseline'. When signals are entered, they produce

vertical lines, and the higher the line, the stronger the signal. A 60 dB range is provided

by the scale which is divided into 10 dB increments.

5-2 Main Control Keys

Function key:

The Function key is located on the top right of the control keys. When the function key is

pressed followed by certain keys, they serve a secondary function. The secondary function

is printed above the respective key. While the function key is pressed, the reversed FUNC

yellow icon appears on the top left corner of the screen.

Numeric keys (0 ~ 9, decimal):

The numeric keys are used for entry of the start frequency, end (stop) frequency, input level

setting, trigger level setting, and so on.

While entering from the numeric keys, the CLR key may be used as a backspace key to

correct the entry. To delete all entry, press the CLR key while holding the FUNC key.

Pressing the CLR key repeatedly, will cause the SDU5600 to be set to the default mode with

the following settings:

Marker Mode:

Calculation mode:

Waterfall :

(13) Signal level indicator

Frequency readout

None

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