AOR SDU5600 Spectrum Display Unit Operating Manual

41
Spectrum analysis
Command : WSCF Function : SET CENTER FREQUENCY Command category: WRITE
Parameter : Min- Max (in MHz)
Example : WSCF79.5 Response: if correct: 
if incorrect: ?
Remarks: Frequency entry for out of receive range will be respond by ?, and the
command will be ignored.
Command : RSCF Function : READ CENTER FREQUENCY Command category: READ
Parameter : N/A
Example : RSC Response: SCF79.5
Remarks: Frequency is displayed in MHz.
Command : WSSP Function : SET SPAN FREQUENCY Command category:...

42
Command : WSTL Function : SET PEAK TRIGGER LEVEL Command category: WRITE
Parameter : -90 ~ 0
Example : WSTL-80 Response: if correct: 
if incorrect: ?
Remarks: Data entry for out of range will be respond by ?, and the command will be
ignored.
Command : RSTL Function : READ PEAK TRIGGER LEVEL Command category: READ
Parameter : N/A
Example : RSTL Response: STL-80
Remarks: Read the trigger level in the Peak mode.
Command : WSDM Function : SET DATA MODE Command category: WRITE
Parameter : 1 ~ 4
Example :...

43
Visual command
Command : WVPM Function : SET PLOT MODE Command category: WRITE
Parameter : 1 ~ 2
Example : WVPM2 Response: if correct: 
if incorrect: ?
Remarks: Parameter: 1 = PAINT, 2 = OUTLINE Data entry for out of range will be respond by
?, and the command will be ignored.
Command : RVPM Function : READ PLOT MODE Command category: READ
Parameter : N/A
Example : RVPM Response: VPM1
Remarks: Parameter: 1 = PAINT, 2 = OUTLINE
Command : WVDD Function : SET F-DIR Command category: WRITE
Parameter : 1 ~...

44
User interface
Command : WUMD Function : SET RECEIVER MODE Command category: WRITE
Parameter : 1 ~ 15
Example : WUMD1 Response: if correct: 
if incorrect: ?
Remarks: Parameter: 1 = WFM, 2 = NFM, 3 = SFM, 4 = WAM, 5 = AM, 6 = NAM, 7 = LSB,
8 = USB, 9 = CW, 10 = AUTO, 11 = AMW, 12 = FM, 13 = FMN, 14 AMN, 15 = CWN
Data entry for out of range or any mode that is not supported by the associated receiver will respond
by ?, and the command will be ignored
Command : RUMD Function : READ RECEIVER MODE Command...

45
Command : WUMC Function : SET MARKER FREQ. AS RECEIVE FREQ.
     Command category: WRITE
Parameter : N/A
Example : WUMC Response: if correct: 
if incorrect: ?
Remarks: This command is not available for the Other (10M) or Other (45M) receiver.
Command : WUDS Function : MOVE MARKER POSITION Command category: WRITE
Parameter : 1 ~ 2
Example : WUDS2 Response: if correct: 
if incorrect: ?
Remarks: Parameter: 1 = 1 step left, 2 = 1 step right Data entry for out of range will respond by
?, and the command...

46
Command : WUBE Function : BEEP SETTING Command category: WRITE
Parameter : 1 ~ 7
Example : WUBE6 Response: if correct: 
if incorrect: ?
Remarks: Parameter:1 = Emit “click” when key is pressed.
2 = Emit “click” when key entry is ignored.
3 = Beep when correct entry is made.
4 = Beep when entry data is out of range.
5 = Beep when key entry is cancelled.
6 = Beep when On/Off parameter is set to ON.
7 = Beep when On/Off parameter is set to OFF.
Data entry for out of range will respond by ?, and the...

47
Produces a ‘pair’ of data values comprising of frequency and its level at MHz order which is defined
(sandwiched) by / /. In reality, there may be a discrepancy of +/- 1dBm between the value of the
marker on the LCD and the level of the same marker which is calculated by this command.
Command : RICD Function : CURSOR DOWNLOAD Command category: READ
Parameter : N/A
Example : RICD Response: 
see remarksRemarks: Read output level of the cursor frequency.
(Example):
========== Start from here...

48
Notes for programmers
Generally speaking the screen dump is preferable if graphic info (data) is
wanted. On the other hand the array of frequency / level can better serve if
numerical data is demanded. The array of frequency / level is faster in transfer
time from the SDU5600 to the PC.
The SDU5600 accepts commands either from the PC or from its own front
panel on a first come first serve basis. For example the PC has sent data to
switch the SPAN bandwidth to 10MHz followed by data from the front...

49
9  Specification
Input frequency 10.7MHz / 45.05MHz selectable
Maximum frequency span 10MHz
RBW 4kHz, 32kHz, 64kHz, 128kHz
Dynamic range 60dB
Input impedance 50 OHM via BNC socket
Display  screen 5 inch (127mm) TFT Colour LCD
Communications RS232C (2 ports)
Power requirement 12DC @ 0.9A nominal, negative ground
Operation 26 keys & main dial
Operating temperature 0 to 50 degrees Celsius
Dimensions 220(W) x 120(H) x 195(D) mm
Weight2.3kg
Specifications subject to change without notice.
All trade marks...

50
Notes: