AOR SDU-5000 Bedienungsanleitung

1Section 1, 1-1(1) SDU5500 Index1 Index ... 11-1 Introducti

103-2 SDU5500 menu overviewOperation of the SDU5500 is controlled by seven menus numbered 1 to 7. The menu number is alwaysdisplayed in the bottom l

11Channel scope mode (CHANL)1 PREV RX PLOT CONT B/W NEXT2 PREV MODE - ATT GAIN NEXT3 PREV SPECT STRES CHANL - NEXT4 PREV FREQ - RBW - NEXT

1233333 Menu 3PREV Move to previous menuSPECT Places the SDU5500 into spectrumanalyser mode (default)STRES Step resolution modeCHANL Channel scope mod

1366666 Menu 6PREV Move to previous menuMAX When “MAX” is selected, the maximumheight of traces are frozen on thedisplay. This will result in ‘peaks’

143-3 Important considerations3-3-1 LCD resolutionThe LCD provides high resolution of 304 horizontal dots from the left to right edges of screen.As

15It is most important to set up the step size appropriately. If you are using the AR5000 companion radiowith receive mode set to AUTO, the step size

16The SDU5500 LCD will display various details. Under the item “RX” (third line down from the top left ofthe LCD), “Other” radio will be displayed wi

17Receive modeWhen the AR5000 receive mode is set from the SDU5500, the following results:SDU5500 setting AR5000 display IF bandwidthWFM FM 220 kHzNFM

18& Note: Although the earlier AR3000 (not AR3000A) may be modified to provide a 10.7 MHz IFoutput, the microprocessor is not capable of communic

19Use the spin wheel dial to highlight “AR3000A” then press . The legend “AR3000A Connected” willbriefly be displayed then the CF readout will displ

2Section 1-2, 1-3, 1-4, 1-51-2 Taking care of the unitThere are no internal operator adjustments. In the unlikely event of servicing being required,

204-3-1 Example set-up for the ICOM IC-R7100 receiverStep 1. For transceive ONOn the ICOM receiver, press and hold both “3” and “ENT” keys and switch

21Use the spin wheel dial to so that the required ICOM radio is highlighted then press . The legend“IC-R8500 Connected” (or whichever radio is speci

22Reprogramming the 10.7 MHz IFIt is possible to use a companion radio with an IF not of 10.7 MHz but within the range of 5.7 to 15.7MHz by reprogramm

23(5) General operation of the SDU5500There are effectively two methods of operation when companion radios are connected to the SDU5500:1. Active mod

24If you wish to toggle the attenuator on / off, press ATT This affects the gain at the receiver’s frontend and sensitivity of the companion radio.

25The receive frequency is NOT the centre frequency of display but is equal to the START frequency, apair of ‘outline triangle legends’ (above and bel

26Each LCD-STEP will equal the total bandwidth in kHz divided by 304 dots, in the case of 10000 kHz thiswould represent 10000 / 304 = 32.89 kHz.If you

27& Note: If [MK-CF] is used with the companion radio set to “Other”, the IF frequency employed will bechanged from the default of 10.7 MHz. In n

285-2 Spectrum analyser modeThe standard default mode used by the SDU5500 is spectrum analyser mode “SPECT”.As an example of usage, monitor the FM br

29The default is spectrum analyser “SPECT”, if this is not already selected push SPECT.The LCD legend “OP.MODE : SPECT” confirms selection.5) Go to

31-6 Technical high-lights• Menu driven operationAll facilities are accessible via dedicated keys and on-screen menus.• Full inter-connection with th

30Rotate the spin wheel dial to move the marker ontoany active trace, the frequency may be read directlyin MHz format next to the legend “Marker” and

31Rotate the spin wheel dial to highlight “AR5000”then press .The message “AR5000 Connected” will be brieflydisplayed on the SDU5500, if an error mes

32Push the CF key and enter the required centrefrequency in MHz format. In this example select95 MHz followed by .The LCD legend “CF : 95.00000MHz

33& Note: In step resolution mode, the minimum displayed frequency will be the lower limit plus oneLCD-step/radio step, in the above example with

342) Go to menu 1, use the PREV NEXT keys orpress the numeric key . Push the RX key toaccess the companion radio configuration menu.Rotate th

35Another menu will appear “Channel Scope StepFreq(kHz)” inviting you to enter the channel step sizeusing kHz format. In this example input 25 kHz

36If the incoming signal is greater than -40dBm, switch-on the companion radio’s attenuator (in the case ofthe AR5000 this is via menu 2).Additional f

37(6) Special considerationsElectrical performance: The SDU5500 is designed to operate in conjunction with a companion radioas a complete system unl

38(7) Computer control informationThe SDU5500 is fully controllable by PC via the RS232 socket, no specific hardware interface isrequired, just a str

39The second example uses Windows HyperTerminal, Plot mode is set to outline “WVPM2”, plot mode isread to confirm the command “RVPM” and the response

4(2) Controls and connections2-1 Front panel controlsThe front panel of the SDU5500 is dominated by the large LCD. Controls are ‘grouped’ to assist

40V = Visual commandFunction Read/Write Command category Type of command Parameter Example ResponsePLOT MODE SET W V PM 1=PAINT2=OUTLINE WVPM1 [CR] +

41PAGE-UP W U PU N/A WUPU [CR] + or ?PAGE-DOWN W U PD N/A WUPD [CR] + or ?LCD MKR STEP W U DS 1=DOWN2=UP WUDS1 [CR] + or ?MONITOR MODE SET W U OM 1=SP

42(8) SpecificationModel SDU5500Input Frequency 10.7 MHzSweep Width 1 kHz to 10 MHz (1 kHz step)Frequency Accuracy ± 600 HzResolution Bandwidth 5/30

52-2 Rear PanelThe rear of the SDU5500 features two 9-pin D-type sockets for connection to the companion radio andPC, a BNC socket is provided for IF

6If connecting to a PC, observe the following connection requirements, use a straight RS232 lead(avoid null modem leads, these will not operate):SDU55

7Middle, graphical displayThe middle section of the LCD is mapped into a graticule of ten boxes horizontally and five boxes high.The horizontal scale

8(2) SPAN Total displayed bandwidthThe centre frequency appears in the middle of the display with frequency extending to the left and right.The total

9To cancel AVR, press [AVR] a second time.(13) Marker Marker / Peak / CPeakSelection of Marker / Peak / Continuous Peak is made via menu 5 and indica