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SDU5600 PROFESSIONAL SPECTRUM DISPLAY UNIT FOR USE WITH A COMPANION RECEIVER INSTRUCTION MANUAL AOR, LTD. Downloaded byAmateur Radio D

9 (1) CF Center Frequency The frequency at the center of the screen is always indicated in MHz, and the highest resolu

10 (10) Receiver Information This section indicates the status of the connected receiver with the following items:

11 Note: The measuring modes (Spectrum Analyzer mode, Step Resolution Mode, Channel Scope Mode), frequency span, tuning step, marke

12 (Note: This function is available only when the receiver model is set to [Othe

13 The three (3) of the right column of the Main Control

14 In the Spectrum Analyzer mode, the receive frequency is equal to the center frequency of the screen. In the Spectrum Analyzer mode or the Step R

15 On the above screen, the following information is displayed. Receive marker: 81.3 MHz

16 The followings are the features of respective mode. • Spectrum Analyzer Mode (SPECT) The standard default mode used

17 6-6 Basic Settings for Operation 6-6-1 Spectrum Analyzer Mode On the above screen, the following information is displayed.

18 Press the [SPAN/STEP] key located between the LCD display and the rotary dial encoder. The icon indicating the current span frequency will be re

1 TABLE OF CONTENTS 1 Index ------------------------------------------------------------------------------------------------ 1 1-1

19 Center frequency (CF): 122.5 MHz Display step: 25 KHz

20 Enter the Start Frequency and the End (Stop) Frequency using the Special Function Keys located on the lower side of the LCD display and the numer

21 Using the numeric keypad, enter a new frequency followed by the [ENT] key ([KHz] key or [MHz] key.) Step Frequency (Ch. STEP) Press the [Ch. ST

22 Press the [AMPLITUDE] [ 2 ] [MHz] key. [Caution] Compare the following 2 screen shots.

23 Resolution Band Width (RBW) The resolution is selectable from 4 KHz, 32 KHz, 64 KHz, and 128 KHz. Greater detail

24 The first one has 4 KHz of RBW and the second has 128 KHz of RBW settings. Greater detail is obtained by narrow RBW, however, you can get fas

25 • Marker In the normal spectrum analyzer mode, the rotary dial encoder may be used to move the marker position indicated by a vertical b

26 • Continuous Peak (C-Peak) When the Continuous Peak function is activated, the marker automatically hops to the largest new signal once a sw

27 In the Spectrum Analyzer mode or the Step Resolution mode, pressing the [MK.F] key on the numeric keypad will set the marker frequency to the rec

28 Press the [CLR] key to exit from this function. 6-8-3 Middle Trace (MED) Press the [FUNC] key and press the [9] key

2 1-1 Introduction Thank you for purchasing the SDU5600 Spectrum Display Unit. For many years, AOR has been marketing the world’s first color spec

29 To activate the Waterfall Function, press the [FUNC] key and press the [ . ] (decimal) key on the numeric keys.

30 In this chapter, we learn how to use the SDU5600 with the AR5000 receiver. Before proceeding, please review Connection to a Re

31 ( Note: The following functions of the AR5000 can be controlled from the SDU5600. Receive Frequency

32 Changing the Resolution Band Width (RBW) (from 4 KHz  128 KHz) • Press the [RBW] key on the numeric keypad. • Rotate the R

33 7-4 Monitoring VHF Air Band in the Channel Scope Mode Let’s try to monitor VHF Air Band in the Channel Scope Mode. • To go into the Channel

34 7-5 Operation Mode Summary The following is a summary of the operation mode of the SDU5600. A proper mode should be select

35 While monitoring a crowded band with lots of strong signals, the noise floor of the SDU5600 may rise due to the AGC action of the re

36 10 Specifications Model: SDU5600 Input Frequency:

37 temperature extremes or water, including rainfall or immersion. 4. Exposure to toxic materials, biohazards, radioactive materials or other cont

38 AOR, LTD. 2-6-4, Misuji, Taitok-Ku Tokyo, 111-0055, Japan http://www.aorja.com AOR USA, INC. 20655 S. Western Ave. Suite 112 To

3 Should the SDU5600 appear to behave strangely, normal operation may easily be resumed by resetting the microprocessor. Simply power off the SDU560

4 2 Controls and functions 2-1 Front panel controls The front panel of the SDU5600 is dominated by the large color LCD. Controls are ‘grouped’ to

5 2 LCD (Liquid Crystal Display) 5 inch TFT color display graphics 3 Special function keys Three special function keys are located un

6 6. Special keys Three (3) special keys are provided with the SDU5600. Those keys are to be used for entry of center frequency, fr

7 4. DC 12 V Connect the supplied AC adapter to this connector. If you wish to operate with 12 V external regulated power supply, it s

8 Receiver menu Model number Remarks =============================================