Siemens PORTARAY HELIODENT 70 Maintenance Instruction page 22

Example:
Adult — Pre-Molar (Mandible)
Depress the button on the handswitch (10).
Fully depress the button and hold until the exposu-
re terminates automatically.
The red pilot lights during the exposure period
Simultaneously audible sound is present.
IMPORTANT
If the button is released before the set exposure ti-
me is over, the exposure is terminated prematurely.
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