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Adjustments / Regolazioni - 4 - ARCOVIS 30000 S/R
Villa Sistemi Medicali
Page 14/40 - Rev.B
[File: 201180-B-00-20.doc]
0,5K
2
SYSTEM VIDEO ADJUSTMENTS / REGOLAZIONI VIDEO SISTEMA 0,5K
2
3.5. White & Black levels adjustment / Regolazione livelli di bianco e nero
Ref. Fig. 8, Fig. 9
Connect the oscilloscope between the analog
output of the BNC signal of the CCU and GND.
Disable the AUTO BLACK LEVEL function by
placing the jumper SW2 in OFF position (2-3),
adjust the potentiometer R157 to have a “black”
signal of 30 mV in stand-by (average value).
Place the PHILIPS PHANTOM on the I.I. tube
input side, control snap shot fluoroscopy (BSS)
and adjust the potentiometer R163 to get a
signal equal to the value obtained in fluoroscopy
+40mV.
Collegare l’oscilloscopio tra l’uscita analogica
del segnale BNC della CCU e GND.
Disabilitare la funzione AUTO BLACK LEVEL,
posizionando il jumper SW2 in posizione OFF
(2-3), regolare il potenziometro R157 per avere
un segnale di “nero” di 30 mV in stand-by
(valore medio).
Posizionare il PHILIPS PHANTOM sul lato di
ingresso del tubo IB, comandare scopia snap
shot (BSS) e regolare il potenziometro R163 per
ottenere un segnale pari al valore ottenuto in
40mV.
R94
R157
J5
N23_ANB1
P4
P11
P7
P10
P9
P8
P6
P5
J4
1 2 3
P1
P2
P3
J2
1 2 3 4
SW4
1 2 3
J6
1 2 3
SW2
1
2
3
R156
R163
SW3
1
2
3
1
2
3
Fig. 8
Fig. 9
Summary of Contents for ARCOVIS 3000 R
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