Us Er Ca Lib Ra Tio N T Ile - Aeroflex 3900 Series Operation Manual

Us er Ca lib ra tio n T ile

The Use r Cali brat ion proced ure recal culates the compensa tion req uired to maint ain level accura cy.
User C alibr ation does not repla ce the Syst em Ve rifi cation / C alibr ati on pr ocedur e.
F i el d / S o ft K ey D ef i n i ti o n s
U s er C al i b r a t i o n T h r es h o l d
The User C alibr ation Thr eshold field indicat es t he to lerat ed a mo unt o f er ror due to temper atur e
drif t. F or example, if the thr eshold value is se t to 1 dB, the Test Se t g enera tes a n er ror message
whe n th e accur acy of measur ed pow er rea dings i s gre ater tha n 1 d B.
R un U s er C ali br a t io n Sof t Key
Pr essing t he R un User C alibr ation Sof t K ey ini tiate s the Use r C alibr atio n Pr ocedur e. The Us e r
Cal ibrat ion Pro cedure should be p erfo rmed when the calibr ation indica tor appea rs at the bot tom
of the d isplay t ile.
Re se t Ov e rl oa d Prot ec ti on So ft Ke y
The Reset Overl oad S oft Key reset s the Test Se t's inp ut o verloa d re lay. When input exceeds
maximum level s, t he Te st S et g enera tes an audib le ala rm t one. The alar m tone stop s wh en th e
overl oad in put i s disconnect ed f rom t he Te st S et, howe ver, this so ft ke y must be pre sse d to reset
the Test Set 's over load war ning syst em.
Ref er to Appen dix B ,
T est Set U til it y Ti les
Fig. 4-2 U TILS U s er Cal ibrat ion T ile
3900 Plat for m Speci ficati ons
S u b j e ct t o E x p o r t C o n tr o l , s ee C o ve r P a g e f o r d e t ai l s .
fo r maximum input levels.
4 -2