Sirona Orthophos 3 Maintenance Manual page 6

Maintenance Instructions
Multitimer
• Make a panorama exposure: (diaphragm 1 is set at the diaphragm wheel)
- X-ray head must be in the initial position (If not, press return key R).
- Insert a panorama film cassette into the carriage and swing in the cassette holder. The LED over R
key must go out. For more details and possible error messages see Operating Instructions.
- Set the P1 exposure program using the upper – + keys.
- Select 68kV/10mA using the lower – + keys.
- CAUTION RADIATION. Depress the exposure key and hold until the exposure terminates auto-
matically.
The exposure ends when the LED over R key blinks and rotation and radiation automatically switch off.
The radiation indication X-ray must light up during the exposure period.
Simultaneously an audible beep must sound at the unit.
• Interrupt an exposure – deadman feature:
- Observe a cool-off time of 5 mins. between exposures (automatic exposure blockage).
- Setting same as above. Remove and reinsert the film cassette. The LED over R key must go out.
- CAUTION RADIATION. Depress the exposure key until X-ray lights up and subsequently release
– the exposure must terminate immediately. The LED over R key blinks.
• Defective light indicators constitute a safety hazard to the patient as well as to the operator.
The user is not permitted to use the unit, until repairs are made!
6
Radiation
indication
X-ray
Exposure
key
X-RAY
P I
6 8
kV
I 0
mA
CAUTION RADIATION !
Observe
Radiation Protection Guide Lines
see Operating Instructions
Ready LED
Return key R
Sirona Dental Systems GmbH
59 01 603 D3285
D3285.103.04.02.02