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20030929 

 

Document no. 477-2010A page 1 of 1 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Digital Peak Programme Meter 

477-200A 

 

Users Manual

 

 

 

 

 

 

 
 

Содержание 477-200A

Страница 1: ...20030929 Document no 477 2010A page 1 of 1 Digital Peak Programme Meter 477 200A Users Manual ...

Страница 2: ...The spot responds to the fastest peaks on the signal 0 integration time The calibration of the spot reading is such that the mark 0 or the start of overload range equals digital full scale level This means that the distance between the spot indication and the mark 0 on the shown scale represents the true head room before digital clipping This means that even with an analogue type scale and 10ms in...

Страница 3: ... reference level in 1 dB steps Scale max equals digital FS 3 Press 4 to increase reference level in 1 dB steps Scale max equals digital FS 4 Press 1 to save settings and resume to normal operation Or press 2 to jump to next adjustment point 2 Activating deactivating display ballistics 1 Press 1 3 and hold for more than 1 6 s The display will be lit in both channels with markings pr 1 dB 2 Press 2 ...

Страница 4: ...he two connectors should be in the 110 Ώ position Power connector Power is supplied through the coaxial low voltage socket A mating connector should have an outher diameter of 5 5mm and a hole diameter of 2 1mm Either a 24V dc or a 18V ac sypply should be used Remote Control Remote control and additional power connection is accessible through the 9pole male D sub connector on the rear side Pin con...

Страница 5: ...ference level is set as described under Operating Parameter Settings If however a resistor is connected to 0V the preset reference level will be overruled The resistor value required to obtain a given reference level can be found in table 1 It may be necessary to use resistors in parallel or series to obtain a specific value to within 2 Table 1 Reference Resistor Reference Resistor level value ohm...

Страница 6: ...e 0 to 31 dB below max digital code Overload indication the bar intensity is increased within overload range Low frequency cut off DC blocking Cut off frequency 0 3 Hz Secondary reading spot Integration time zero Return time 1 7 s 0 3 s 0 to 20 dB IEC 268 10 1991 03 Scale max Scale max equals the lower limit of intensified bar range Reference level Scale max corresponds to max digital code level P...

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