O Ff S E Ts - Aeroflex 3900 Series Operation Manual

L o w er L i m i t
When a measur ed level dr ops b elow the enabl ed LOWE R LIMIT , t he Mete r B ar and readi ng
backgr ound o f t he Measur ement Tiles tur ns B LUE .
When read ings w ithi n enab led U pper and Low er limits t he Met er Bar and rea ding b ackgroun d on
the Measure me nt T iles t urns GR EE N.
A Low er Limi t value must be less tha n t he value def ined in th e U pper Limit fie ld, even if t he Upp er
Limit is not enab led.
For exampl e, if the T/R Inband P owe r Uppe r and Lowe r Limit values on the RF Li mi ts C onf igura tion
Tile are both 0.0 dBm (def ault values) , t o set T/R I nband Pow er Low er L imit val ue t o 5.0 dB m:
1. Set T/ R Inband Up per Limit Value to a valu e gr eater th an 5. 0 dB m, f or e x ample 10 .0 d Bm.
2. Set T/ R Inband Low er Limit Value to 5.0 dBm.
O ff s e t s
3900 Test S yst ems con tain vario us Off s ets that allo w the user to compensa te for th e use of exte rnal
equipme nt such as an att enuato r. Whe n an Of fset is ena bled, an i ndicator is displayed next to t he
corr espondi ng fi eld on vari ous te st t iles.
T est Set Oper ati on
F ig. 3-26 Gener ator and Ana lyzer Of fset Indicat ors
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 .
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