B. Beam Limiting Device
The X-Ray system is equipped with a Beam Limiting Device. The distance
between the focal spot (X-Ray) and patient skin is 22cm(8.5/8").
The output radiation field is circular and the diameter is
6cm
(2.3/8").
≤
Ø
Note:
Rectangular Collimator
- This collimator type reduce the radiation field. The equipment Z70 haven´t the rectangular
collimator. However, this part can be acquired in the American market, from the company Tru-Align™ (www.trualign.com)
and installed easily on the Z70 Beam Limiting Device, accord manufacturer instructions.
Dental X-Ray Unit
Z70
70kVp - 7mA
6
C. Timer Box and Control
Fuse Switch
Mobile Model
Haldheld Control
The timer parts are: handheld control and the control box.
There are seven buttons on the handheld control as following:
Large , Small, time Increase( ) ,time decrease( ), set up button(SET),Film select key (Film), exposure
button. For the symbols instruction, please refer to the Appendix section
1. Self-Inspection function
All of the indicating leds and the display will blink three times when you tum on. Then the device
will enter into self-inspection program after beep. This operation can test if the function of
indicating if the leds, display and buzzer are normal.
2. Voltage Surveillance function:
This function is to protect the equipment and will inspects if the voltage of the electric network
is between 108V and 132V (for 120V configuration) and 207V and 253V (for 230V configuration).
When the voltage is under this range the display will show an error code
P1
. If over it will show
an error code
P2
.
Following are the 2 main functions of timer:
D. Handheld Control
Operation Manual
