Agilent Technologies HP 8719D Service Manual page 276

Adjustment Tests
The tests without asterisks are used in the procedures located in the
"Adjustments" chapter of this manual, except as noted.
Pretune
43
loop operation. Run test 44 first.
44
new correction constants for ABUS amplitude accuracy in both high
resolution and low resolution modes. Use this test before running test
43, above.
Intensity Cm.
45
under @i?iTK) for recall of display intensity values at power-on.
Disp 2 Ex.
46
pattern" to the display for adjustments. Press m to exit this
routine.
Step Cot
47 IF
located on the A10 digital IF, to determine the correction constants for
absolute amplitude accuracy. It provides smooth dynamic accuracy and
absolute amplitude accuracy in the -30 dBm input power region.
ADC Ofs Cm.
48
characteristics, using an internal ramp generator, and stores values
for the optimal operating region. During measurement, IF signals are
centered in the optimal region to improve low-level dynamic accuracy.
Serial Cm.
49
Title menu) in EEPROM. This routine will not overwrite an existing
serial number.
Option Cm.
50
or any combination).
Kit Def.
51
model coefficients) into EEPROM.
Measures three ilxed voltages on the ABUS, and generates
Stores the current values of the intensity adjustments
Not used in "Adjustments." Writes the "secondary test
Measures the gain of the IF amplifiers (A and B only)
Measures the A10 Digital IF ADC linearity
Stores the serial number (input by the user in the Display
Stores the option keyword (required for Option 007, 010
Loads the default calibration kit deilnitions (device
Service Key Menus and Error Messages