user manual
Cursor Measurements
TDS 620A, 640A & 644A User Manual
3Ć19
Time Units
+1 * %++/" 0+ !&/,(4 2".0& ( . 1./+. ."/1(0/ &* 1*&0/ +# 0&)" +.
#."-1"* 4 # 4+1 %2" ,0&+* &!"+ 4+1 * (/+ !&/,(4 0%" ."/1(0/ &*
0".)/ +# 2&!"+ (&*" *1)".
."// CURSOR➞ Time Units)&*➞ seconds +. 1/seconds (Hz) +.
3&0% ,0&+* video line number /&!"
Amplitude Units
# 4+1 ." )"/1.&*$ /&$*(/ 4+1 * %++/" 0+ !&/,(4 2".0& (
."!&*$/ &* 1*&0/ # 4+1 ." 0.4&*$ 0+ !+ 0%&/ 4+1 /%+1(! %2" +,0&+*
&!"+ .&$$". &*/0(("! / &0 3+1(! " !&##& 1(0 0+ 0.&$$". +* +),+/&0" 2&!"+
32"#+.)/ 3&0%+10 +,0&+*
."// CURSOR➞ Amplitude Units)&*➞ IRE (NTSC)
To return to normal:
."// CURSOR➞ Amplitude Units)&*➞ Base
Cursor Speed
+1 * %*$" 0%" 1./+./ /,""! 4 ,."//&*$ SHIFT "#+." 01.*&*$ 0%"
$"*".( ,1.,+/" '*+ %" 1./+. )+2"/ #/0". 3%"* 0%" SHIFT 100+* &/
(&$%0"! *! 0%" !&/,(4 ."!/ &* 0%" 1,,". .&$%0 +.*".
"" +* ,$" 5
"" +* ,$" 5 #+. &*#+.)0&+* +* 1./+. 1*&0/ 3&0%
)1(0&,(&"! 32"#+.)/
"" +* ,$"5 +*
,$"5 *! +* ,$"5 &# 4+1. +/ &((+/ +," &/
"-1&,,"! 3&0% ,0&+* !2* "! 0% /0*!.! +* 0%"
#+. &*#+.)0&+* +* 1./+. 1*&0/ 3&0% &*0"$.0"! !&##"."*0&0"! *! 32"5
#+.)/
"" 0%" &# 4+1. +/ &((+/ +," &/
"-1&,,"! 3&0% 0%" 2&!"+ 0.&$$". +,0&+* #+. &*#+.)0&+* +* 1./+. 1*&0/ 3&0%
2&!"+ 32"#+.)/
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