User manual YAESU GS-232A COMPUTER INTERFACE MANUAL

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[. . . ] GS-232A Computer Control Interface for Antenna Rotators YAESU MUSEN CO. , LTD. 4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan YAESU U. S. A. 17210 Edwards Rd. , Cerritos, CA 90703, U. S. A. YAESU EUROPE B. V. P. O. Box 75525 1118 ZN, Schiphol, The Netherlands YAESU UK LTD. Unit 12, Sun Valley Business Park, Winnall Close Winchester, Hampshire, SO23 0LB, U. K. YAESU GERMANY GmbH Am Kronberger Hang 2, D-65824 Schwalbach, Germany YAESU HK LTD. 11th Floor Tsim Sha Tsui Centre, 66 Mody Rd. , Tsim Sha Tsui East, Kowloon, Hong Kong GS-232A Computer Control Interface for Yaesu Antenna Rotators The GS-232A provide digital control of most models of Yaesu antenna rotatorsø from the serial port of an external personal computer. The GS-232A contains its own microprocessor with ROM and RAM (memory), and a l0-bit analog-to-digital (A-D) converter. The 3-wire async serial line can be configured for serial data rates from 150 to 9600 baud. [. . . ] r Turn off the GS-232A's POWER switch to exit the azimuth A-D converter calibration routine, then turn on the GS-232A's POWER switch again to turn it back on. CALIBRATION 9 CALIBRATION G-5400B/-5600B AZ-EL ROTATOR Azimuth Offset Null r Before calibrating the Rotator, check to see that the GS232A's DIP switch (switch 5) is set to the "OFF" position. r From the Controller panel, set the Azimuth Rotator fully counter-clockwise (set to 180°). r Press [F2] Z [] (F, 2, and ENTER) on the computer keyboard to activate the Control Interface's elevation A-D converter calibration routine. The computer will display +aaaa+eeee, where eeee is a four-digit number which indicates the elevation heading in degrees. For the purposes of this alignment, you may ignore the (azimuth) aaaa numbers. r Adjust the OUT VOL ADJ potentiometer on the "ELEVATION" (right) side of the Controller rear panel so as to get a reading of "0180" on the computer's display. This reading ("180 degrees") corresponds to the actual beam heading you established when you pointed the elevation rotator to the 180° position. r Turn off the GS-232A's POWER switch to exit the elevation A-D converter calibration routine, then turn on the GS-232A's POWER switch again to turn it back on. CALIBRATION 11 CALIBRATION G-5500 AZ-EL ROTATOR Azimuth Offset Null r Before calibrating the Rotator, check to see that the GS232A's DIP switch (switch 5) is set to the "ON" position. r From the Controller panel, set the Rotator fully counterclockwise (set to 0°). r Press [O] Z [] (the letter "oh", and "ENTER") on the computer keyboard to activate the azimuth calibration routine. The computer display should show AZaaaa = bbbb returned from the Interface Board, where aaaa and bbbb are four-digit numbers padded at the left with zeroes. r Adjust the AZ trimmer (located on the bottom case of the GS-232A) while watching the computer display, until the four-digit numbers aaaa and bbbb are the same (the precise values are not important). r Turn off the GS-232A's POWER switch to exit the azimuth calibration routine, then turn on the GS-232A's POWER switch again. Azimuth A-D Calibration r From the Controller panel, set the Azimuth Rotator fully clockwise (to the right). r Press [F] Z [] (F and ENTER) on the computer keyboard to activate the Control Interface's azimuth A-D converter calibration routine. The computer's display should show +aaaa, where aaaa is a four-digit number which indicates the azimuth heading in degrees. r Adjust the OUT VOL ADJ potentiometer on the "AZIMUTH" (left) side of the Controller rear panel so as to get a reading of "0450" on the computer's display. This reading ("0450: 360 degrees + 90 degrees") corresponds to the actual beam heading you established when you pointed the azimuth rotator fully clockwise. r Turn off the GS-232A's POWER switch to exit the azimuth A-D converter calibration routine, then turn on the GS-232A's POWER switch again. 12 G-5500 AZ-EL ROTATOR Elevation Offset Null r From the Controller panel, set the Elevation Rotator to the "left" horizon (down, set to 0°). r Press [O2] Z [] (the letter "oh, " "2, " and "ENTER") on the computer keyboard to activate the elevation calibration routine. The computer will return AZaaaa = bbbb, as in the previous procedure, plus ELcccc = dddd to the right, where cccc and dddd are four-digit numbers padded at the left with zeroes. r Adjust the EL trimmer (located on the bottom case of the GS-232A), so as to make the numbers cccc and dddd are the same (again, the actual values are unimportant). r Turn off the GS-232A's POWER switch to exit the elevation calibration routine, then turn on the GS-232A's POWER switch again to turn it back on. Elevation A-D Calibration r From the Controller panel, set the Elevation Rotator to full scal (180°: "right" horizon). [. . . ] There is no equivalent for elevation. 16 COMMAND LIST Maaa Turn to aaa degrees azimuth, where aaa is three digits between "000" and "360 or 450: vary according to controller type. " Rotation starts. T See the [M] (above) and the [W] (below) command. Start automatic stepping routine (both azimuth and eievation): turn rotator to next sequentially memorized azimuth (or az-el pair, for the [W] command), wait sss seconds, and turn to next angle (or pair), etc. This command works only if a longform [M] or [W] has been issued since power-up or the last reset. Msss aaa bbb ccc This command, together with the [T] command, provides automatic, timed tracking of moving objects or propagation by the Control Interface itself. This command stores the time value sss seconds to wait between stepping from azimuth aaa to bbb, and then to ccc, etc. [. . . ]

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