Planmeca Proline EC ceph, Technical Manual

Page: 30 / 210

Chapter B - KEYBOARD FUNCTIONS & MODES
B-6 Planmeca Proline EC X-ray unit
SERVICE MODE KEYBOARD FUNCTIONS
Technical Manual
3 SERVICE MODE KEYBOARD FUNCTIONS
CAUTION Some of the functions in the service mode may be fatal to the unit’s proper operation.
Never use special service mode functions if you are not familiar with how they operate.
The service mode is only intended for the trained technician.
CAUTION Operating the exposure switch will immediately start the X-Ray generator.
NOTE The operations of the rotation and cassette motors are disabled in this mode to allow
generator operation without movements.
For further diagnosis of the equipment operation a separate service mode has been provided.
Various kinds of adjustments and calibrations can also be made in this operating mode.
There are also some special control and display modes that are not normally available but
which can be entered by certain control sequences. In this section it is explained what opera-
tions can be achieved with the keys and which indications appear on the displays.
3.1 How to enter/exit the service mode
Press the CTL-key and simultaneously press and hold down the hidden key (to the right of the
panoramic mode selection key) until the temperature of the tubehead appears on the display
(about four seconds). The ready key indicator light will start to flash. This indicates that you
have entered the service mode.
CAUTION Some of the functions in the service mode may be fatal to the unit’s proper operation.
Never use special service mode functions if you are not familiar with how they operate.
To exit the service mode press the hidden key briefly.
3.2 Service mode keys, displays & indicator lights
Some of the keys, displays and indicator lights have different meanings in the service mode.
In the special function mode some of the indicator lights have third meaning. The special
function mode is entered by pressing the CTL-key.
KEYS AND DISPLAYS FUNCTION
FOR DETAILS, REFER
TO
CTL key is used either to clear an error indication, when no
further actions are taken, or to give the other keyboard
keys special functions. “Control (CTL) -key
and indicator light” on
page B-9
The main display shows the tubehead temperature, an
error code or waiting time (blinking). “Main display” on
page B-7
+
Hidden
key
CTL
CTL