46
Agilent L4532A/ 34A Service Guide
4
Calibration and Adjustment
Performance Verification Tests
Use t he Per for man ce Ver ification Tests t o ver ify t he measu r emen t
p er for man ce of t he digitizer. The p er for man ce ver ification t ests u se t he
d igitizer 's sp ecification s list ed in Ch apt er 1, Sp ecification s .
You can per for m fou r differ en t levels of p er for man ce ver ification tests:
Se lf Te st . A ser ies of in ter n al ver ification t ests th at give a high
con fid en ce t hat t he d igitizer is op er ation al.
Qu ick Ve r ifica t ion . A combin ation of t he in ter n al self t ests an d
selected ver ification t ests.
Per fo r m a n ce Ve r ifica t ion Te st s. An exten sive set of tests t hat ar e
r ecommen ded as an accep t an ce test when you fir st r eceive t he
digitizer or aft er p er for min g ad justmen ts.
Op t io n a l Ve r ifica t io n Te st s. Tests n ot p er for med wit h ever y
calibr ation . Per for m t hese t ests to ver ify add ition al char act er istics or
fun ction s of th e digitizer.
Self
Test
A br ief p ower on self t est occu r s au tomatically when ever you tu r n on t he
digitizer. Th is limited test assur es t hat t he d igitizer is capable of
op er ation . You can in itiate a mor e complet e self test as d escr ibed
begin n in g on
p age 76
.
Dur in g t he self test all disp lay segmen ts an d an n u n ciat or s ar e lit.
If t he self test fails, th e E an n u n ciator in t he d isp lay tur n s on . Use
t he web in ter face to deter min e t he sour ce of th e er r or (see
Usin g t he
Web In ter face
on p age 35).
If r ep air is r equ ir ed, r efer to pr oced u r es in Chapt er 5, Ser vice an d
Rep air or con t act an Agilen t Ser vice Cen ter.
If all tests pass, you have a high con fiden ce (>90%) t hat th e d igitizer is
op er ation al.