HP E1563A User Manual page 162

Store Calibration
Constants
162 HP E1563A and E1564A Adjustments
6. Perform the adjustment by sending the CAL:GAIN<channel>
command (adjusts each channel in about 5 seconds).
7. Send the SYST:ERR? command and read the result to verify the
calibration command was successful. See Chapter 3, SCPI Command
Reference, for details on reading system errors.
8. Repeat steps 3 through 7 for the ranges and inputs given in Table E-2.
9. Repeat steps 3 through 8 for channel's 2, 3 and 4.
Note
Each range in the gain adjustment procedure for each channel takes less
than 5 seconds to complete.
Table E-2. Gain Adjustment Range Input Voltages.
** Valid calibration input values sent to the digitizer are 0.85 to 0.98 of Full
Scale for the range being adjusted. The <input voltage> parameter of the
CAL:VAL command must equal the actual input value. For example, if you
input 0.9V to calibrate the 1V range instead of 0.95, you send CAL:VAL 0.9
to the digitizer prior to the CAL:GAIN<channel> command.
You must set the "FLASH" and "CALIBRATION CONSTANTS" switch to
"write enable" before you can store new calibration constants. It is
recommended you do this prior to starting the calibration procedures.
Execute the CAL:STORe command to store the new calibration constants
following the calibration procedures. Restore the switches to the "Read
Only" position after you store the new calibration constants.
Channel Range
62 mV
0.25V
1V
4V
16V
CAL DAC Voltage
55 mV
0.24V
0.95V
3.8V
15V