THE CPL PROTOCOL

6 - 9

CALIBRATE

CL

Purpose:

To start the internal Auto-Calibration procedure. This procedure optimizes the input, trigger and time base circuitry of the oscilloscope. This calibration takes approximately one minute and completion is signalled by the acknowledge.

The Calibrate (CL) command performs the same function as pressing the front panel CAL button for more than 2 seconds.

Command:

"CL"

CR

Response:

acknowledge

CR

Note: The <acknowledge> will be sent after the calibration has been fully completed. A detailed error report may be queried for using the ST command (only if acknowledge is not zero).

Example:

100 PRINT #1,"CL" :’Send command

110 GOSUB 1000 :’Sync on acknowledge

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Fluke PM3370B user manual Calibrate