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SETTING TO WORK
5. ELECTRICAL CHECKS
5.1. CHECK OF THE MAINS VOLTAGE MEASURING CIRCUIT
1)
Using an AC voltmeter (accuracy =/<1%) verify on TIMER AC terminal blocks shown in BZ-4 that the
mains voltage is at its nominal value.
2)
Boot the "DVM routine (Digital Voltmeter) on the Timer (see paragraphs 5.2 and 5.3 of this Section) and
verify that the mains voltage value measured by the Timer is the same as that measured with the AC
Voltmeter at point 1.
If not, proceed to an adjustment of the mains voltage measuring circuit as described in Section F.
5.2. TEST AND DIAGNOSTIC ROUTINE: DENSOMAT
5.2.1. Test of LEDs/Keys and Display functionality (Test mode routine)
The "Test mode routine" is booted by pressing the "Vx" key and "Bitewing" key simultaneously at power on.
During all the test and the diagnostic routines X-RAY emission is inhibited.
All segments of display light up, then software version is visualized: Ux.x
When the "Test mode routine" is active all LEDs of keyboard must be on (except the X-ray on LED): the
operator can press all keys sequentially and verify that the correspondent LED is switched OFF.
The Tubehead 1 and Tubehead 2 LEDs work in toggle mode so that they cannot both be
switched on (or off) at the same time.
The display shows the key's code according to the following table.
KEY CODE
S10
Pressing "P" key exits and automatically enters in the "Tubehead Voltage Select routine".
C-4
KEY FUNCTION
S1
S+
S2
S-
S3
TUBEHEAD 1
S4
TUBEHEAD 2
S5
NOT PRESENT
S6
SMALL PATIENT
S7
MEDIUM PATIENT
S8
LARGE PATIENT
S9
UPPER INCISOR
UPPER CANINE
Printed on: 22 Mär 2012, 09:28:10 am; Printed by: TOBIAS BAUER
NOTE
NOTE
KEY CODE
KEY FUNCTION
S11
UPPER PREMOLAR
S12
S13
LOWER INCISOR
S14
S15
LOWER PREMOLAR
S16
S17
S18
S19
PREP (handswitch)
ORALIX AC SYSTEM
UPPER MOLAR
LOWER CANINE
LOWER MOLAR
BITEWING
VX
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