D) Maintenance: Brightness control
Brightness is controlled on the control panel in the range
from 50% to 100%:
a Press the „+" button (D): Brightness will increase
a Press the „-" button (B): Brightness will decrease
The set intensity is displayed on the (C) indicator.
E) Maintenance: Focusing (3000F only)
F) Maintenance: Positioning
Before each use make sure the examination
light is in good working order!
MASTERLIGHT LED 4000 /4000F
A) Scope of delivery
1x stand base (fi ve-footed base with foot, rollers and
hardware)
1x stand post
1x lamp shade with short arm
1х User's Manual
32
To focus (change the light
spot size) turn the handle (H)
on the lamp shade (see
fi gure).
The lamp shade position can
be adjusted with the handle
(H) or the two handle sleeves
(G).
B) Installation
See Installation of MASTERLIGHT LED 3000/ 3000F &
MASTERLIGHT LED 4000/ 4000F on page 10.
During the installation of the examination light, the
entire system must be disconnected from the mains!
C) Maintenance: ON/OFF switch
See MASTERLIGHT LED 3000/3000F on page 31.
D) Maintenance: Brightness control
See MASTERLIGHT LED 3000/3000F on page 32.
E) Maintenance: Focusing (4000F only)
See MASTERLIGHT LED 3000/3000F on page 32.
F) Maintenance: Positioning
See MASTERLIGHT LED 3000/3000F on page 32.
5. Preparatory measures before use
During initial commissioning, the device must be
checked in accordance with EN 62353!
In particular, check the examination light for the following
points:
• Paint defects
• Cracks in plastic parts
• Loose parts
• Check the connection between the examination light and
support system
• Fail-safe operation (e.g., brake rollers)
• Electrical safety
Defective parts must be replaced before continuing to use.
Tighten the screws if necessary.
6. Hygienic preparation
Clean and disinfect immediately after use. Remove dirt from
the rollers to prevent static charge build-up.
Manual cleaning / disinfection
For disinfection, it is recommended to use products dissolved in
water or in max. 20% alcohol.
Do not use acid-containing products!