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FUNCTION OF CONTROLS
Main Power switch
Pushing right side of this switch energizes the x-ray unit.
(Ready lamp and pre-selected lamps for patient size, cone type and lm speed
illuminates.)
It is recommended to keep this switch OFF when the unit is not in use in
order to prevent an accidental exposure.
Ready Lamp
This lamp lights when the line voltage is within operable range.
When this lamp is not on, exposure can not be made.
Exposure Time Adjusting Switches
By momentarily pushing
(or ) switch, exposure time displayed increases
(or decreases) by one step. By keeping the switch depressed more than 2 sec.,
exposure time displayed increases (or decreases) continuously until the
switch is released.
Tooth Selection Switch (T1 ~ T5)
Pushing one of these switches set the exposure time automatically in
combination with following
T2 : Incisor of Maxilla, Cuspid & Premolar of Mandible
T3 : Cuspid & Premolar of Maxilla, Molars of Mandible, Bitewing
T4 : Molars of Maxilla, Bitewing Molars
Patient Size Selection Switch
Pushing this switch alters the selection of patient size (small
medium
large small) and sets the exposure time accordingly.
Cone Type Selection Switch
The exposure time corresponding to the cone type being used (Standard Regular
Cone or Optional Long Cone) can be selected by this switch.
Film Speed Selection Switch
Three types of lm speed can be registered. Pushing this switch momentarily
indicates the lm speed number being selected in exposure time display
window(
). Depressing the switch for more than 2 seconds alters the lm
type being selected.
NOTE : Setting or adjusting the exposure time manually (with
or switch)
supersedes
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