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3.4
Power supply
(model type designation: LC-SLT)
CAUTION
The power supply is fitted with a voltage
selection switch (50) 115 V / 230 V.
This must be adjusted to correspond with the
local electric power supply before first use.
The main switch (52) will illuminate when the appliance is
switched on.
Possible fault causes
1. The main switch is on, but fails to illuminate:
• primary fuse defective
2. The main switch is on and illuminated, but the slit lamp fails
to illuminate:
• secondary fuse or halogene bulb defective
To change the primary voltage fuse
Open the fuse box (53) with the point of a screwdriver and pull
out. Change the defective fuse cartridge. Push in the fuse box
until it is heard to engage.
Fuse 2 x T 800 mA
HS-Part Number 1001330
To change the secondary voltage fuse
Turn the slit of the fuse holder (51) to the left with a screwdriver.
Change the fuse cartridge.
Fuse F 3.15 A
HS-Part Number 1001331
The degree of brightness can be regulated with the brightness
control (18).
The illumination intensity as per Appendix C - Technical
specifications.
3.5
Adjustable focusing target
If the lamp cable (54) is connected, the fixation lamp burns as
soon as the power supply switch is activated, then the focusing
target (59) is visible.
The fixation target can be brought into any position by moving
the bearer's arm (55). This permits uninterrupted observation
through the microscope and simultaneous guidance of the
patient's eye to any desired position. This is especially advan-
tageous in examining the fundus.
It's a condition, that the patient's eye is correctly positioned at
the
headrest's height marker
(58).
Ametropia of the patient from +10 D to -15 D (56) can be
corrected (57). Steady fixation of the eye is maintained as
accommodation and convergence are avoided.
54
55
56
57
58
59
1500.7200631.04040
50
51
52
© Haag-Streit AG, CH-3098 Koeniz, Switzerland
53
19
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