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File name 222_RS-232_REV_TEXT.pdf

Qservice ----- This Document is a complete scan from the Original Tektronix Manual ----- Qservice CONTENTS Page HOST COMMUNICATION . . . . . . . . . . . . . . . . . . . . 1 RS-232 INTERFACE SPECIFICATIONS . . . . . . 1 RS-232 Communications Parameters . . . . . . . . . . . . Baud Rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maximum Applied Voltage (any pin) . . . . . . . . . . . . . . PlotterIPrinter Support . . . . . . . . . . . . . . . . . . . . . . . . . Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 2 2 2 2 2 RS-232 OPTIONAL ACCESSORIES . . . . . . . . . . CODES and FORMATS . . . . . . . . . . . . . . . . . . . . . . . Commands. Queries. and Responses . . . . . . . . . . . . COMMANDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . QUERIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 3 8 RESPONSES . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Logical Front Panel Encoding . . . . . . . . . . . . . . . . . . 11 VERTICAL SETTINGS . . . . . . . . . . . . . . . . . . . . . 11 SECIDIV SETTINGS . . . . . . . . . . . . . . . . . . . . . . 14 TRIG POS. SLOPE. SOURCE. AND MODE SETTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 ACQUISITION MODE AND MlSC SETTINGS . . 18 20 20 20 23 24 24 24 24 25 25 28 RS-232 ERROR CODES . . . . . . . . . . . . . . . . . . . . . Communication Error Codes . . . . . . . . . . . . . . . . . . . Diagnostic Error Codes . . . . . . . . . . . . . . . . . . . . . . . Error Code Decoding Examples . . . . . . . . . . . . . . . . RS-232 COMMUNICATIONS . . . . . . . . . . . . . . . . Waveform Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . Software Tools . . . . . . . . . . . . . . . . . . . . . . . . . . Available Software . . . . . . . . . . . . . . . . . . . . . . . Transfer to a Local PC . . . . . . . . . . . . . . . . . . . . Transfer via a Modem . . . . . . . . . . . . . . . . . . . . RS-232 Interconnection Cables . . . . . . . . . . . . . . . . INDEX 222 RS-232 Interface Guide RS-232 INTERFACE HOST COMMUNICATION Communication between the 222 and an external host computer is provided via an RS-232 communications interface. The actual format of the commands is as close to the Tek Codes and Formats as possible with the limited memory space available. Certain functions are compressed into a more compact form. Waveforms and front-panel settings may be transferred over the RS-232 serial port in ascii character strings. The optional RS-232 Demonstration Disk accessory (available by request only) supports communications with an IBM8 PC AT@or PC compatible computer. Operating details are provided on the disk in a "README" file. A simple terminal can be used to receive the messages that may be generated at power on or during self calibration if an error occurs. The error codes are defined later in this manua