ESI VideoBridge 2150, Руководство по обслуживанию

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I f t he e n t ry ha s been t e rm i n a t e d ( by p u s h i n g t h e N OM bu t t on i n t h i s
e xamp l e ) , t h e DEL b u t t o n w i l l n o l on g e r remove t h e i n c o r re c t da ta .
H oweve r , t h e corre c t da t a c a n be rep r o g ra mmed a s a new e n t r y .
2 . 6 DEV I ATION MEASUREMENT
Two t ype s o f de v i a t i o n m ea s u re m e n t a r e po s s i b l e w i t h t h e M od e l 2 1 5 0 /
2 1 6 0 ; d e v i a t i on as a p e r c e n t o f nom i na l or a bs o l u te de v i a t i on f r om a
nom i na 1 i n u n i t s . D e v i a t i on mea s u r e m e n t s can be made u s i ng e i t h e r
a u torang i n g o r ra n g e h o l d modes . I n t he a u t o r a ng i ng mode , t he 2 1 5 0/
2 1 6 0 w i l l c ha n g e ra n g e s t o a l l ow pe r ce n t de v i a t i on s f r om - 1 0 0 % t o
+ 9 9 9 , 9 9 9 % o f t he p r e s e t nom i na l va l ue ( l im i te d on l y b y t h e n umbe r o f
d i g i t s d i sp l a y ed ) . I n t h e r a n g e h o l d mode , t h e r a n g e o f p e r c e n t a n d
a bs o l u te d e v i a t i ons a re l i m i t e d by t h e m e a su reme n t range s ' uppe r a n d
l owe r boun d r i e s . D e v i a t i on ca l cu l a t i on s requ i re a s m a l l amou n t of t i me
to comp l e te , s o measu remen t spe e d i s d e c r e a s e d s l ig h t l y .
2 . 6 . 1 Nomina l Va l ue
T o make d e v i a t i on mea s u remen t s or t o s o r t i n to p e rc e n t to l e ra n c e b i n s ,
a nom i n a l va l u e mu s t f i r s t be se t . A n om i na l va l u e can b e p r o g ra mme d
a t a ny t i me . I t i s prog rammed a s a n umbe r w i t h m U l t i p l i e r and a s s u m e s
t h e u n i t s i n t h e t op m e a s u re me n t d i s p l a y . T he n om i n a l v a l u e i s
comp a r e d w i t h the mea s u r e d va l u e . T h e compa r i s on r e su l t i s d i sp l ay e d
a s t h e t o p r ea d i ng o n t he C RT ( i n d e v i a t i on mode ) o r i nd i c a t e d a s a n
app ropr i a t e l y b i n n e d pa r t ( i n s o r t mode ) .
NOTE :
A n on- z e ro n om i na l va l u e mu s t be se t w h e n u s i n g any o f
t h e f o l l ow i n g : de v i a t i on mode , % s o r t mode , 8 C O D E , - 8 CODE ,
o r 2 1 CODE .
2 - 6 1
e l s l i 2 1 5 0 /2 1 6 0 9 / 8 5