Teledyne Car Video System 460L Benutzerhandbuch

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TELEDYNE INSTRUMENTS
 
 
Calibration 
460L Instruction Manual 
44 
05228 Rev B 
 
PRINTED DOCUMENTS ARE UNCONTROLLED 
DCN 5164 
5.
  The monitor will automatically generate the nominal signal level by producing a 25% 
increment output level on the current loop. 
EXAMPLE  
OUTPUT LEVEL 
NOMINAL SIGNAL 
LEVEL 
0% 4mA 
25% 8mA 
50% 12mA 
75% 16mA 
100% 20mA 
6.
  The display will then show “A100” (four times).  Adjust the “Span” potentiometer (See 
Figure 8.2) as necessary. 
Span 
Pot
Zero 
Pot
 
Figure 8-2  Location Current Output Adjustment Potentiometers 
7.
  Note that the zero and span adjustments are not completely independent and adjusting 
one point may slightly affect on the other.  Therefore steps 4-6 may need to be repeated 
several times in order to properly adjusted both points. 
8.
  When the adjustment process is complete, the monitor will automatically restart in 
standard measurement after 5 cycles. 
USER NOTES: