REX RF 320 Uživatelský manuál Strana 29

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Operator manual REX-***R(F)
LISTEM Corporation 29/90
2.4 Exposure controls and indicators
The X-ray handswitch is a three-positions, “OFF”, “Ready” and “X-ray exposure”,
according to the pushing steps in its early status.
OFF
READY
EXPOSURE
Ready
Press this push-button to prepare the selected X-
ray tube for an
exposure. The “Ready indicator on the console will light when the x-ray
tube is
prepared, and there are no interlock failure or system faults.
Anode rotation.
Filament current switches from stand-by to the selected mA.
High voltage is applied to generator inverter.
Exposure
After the “Ready” indicator is illuminated, press this push-button to start an x-
ray
exposure. The “X-ray On”
indicator remains illuminated and an audible signal
sounds during the length of exposure.
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