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Instructions
Intended Use
This device is intended for medical purposes
to illuminate body surfaces. It is used for
non-invasive visual examination of intact skin.
This battery-operated product is designed for
external examination only within professional
healthcare facilities by medical professionals.
Check the correct operation of the device
before use! Do not use the device if there are
visible signs of damage.
CAUTION: Do not look directly into the LED
light. Patients must close their eyes during
examinations.
In case of a serious incident with the use of
this device, notify DermLite immediately and,
if required by local regulations, your national
health authority.
CAUTION: Do not use the device in fire or
explosive risk area (e.g. oxygen-rich environ-
ment).
WARNING: This product can expose you to
chemicals including methylene chloride and
hexavalent chromium, which are known to
the State of California to cause cancer or
reproductive toxicity. For more information go
to www.P65Warnings.ca.gov.
Electromagnetic Compatibility
This device complies with the EMC Emis-
sions and Immunity level requirements of the
standard IEC 60601-1-2:2014. The emission
characteristics of this equipment make it
suitable for use in professional healthcare en-
vironment as well as residential environment
(CISPR 11 Class B). This equipment offers
adequate protection to radio communication
service. In the rare event of interference to
the radio communication service, the user
might need to take mitigation measures, such
as relocating or re-orienting equipment.
WARNING: Use of this equipment adjacent
to or stacked with other equipment should be
avoided because it could result in improper
operation. If such use is necessary, this
equipment and the other equipment should
be observed to verify that they are operating
normally.
WARNING: Use of accessories other than
those provided by the manufacturer of this
equipment could result in increased electro-
magnetic emissions or decreased electro-
magnetic immunity of this equipment and
result in improper operation.
WARNING: Portable RF transmitters should
be used no closer than 30 cm (12 inches) to
any part of the device. Otherwise, degrada-
tion of the performance of this equipment
could result.
IMPORTANT: Before initial use, please
charge the internal lithium ion battery. See
"Battery and Charging" for details.
DermLite DL4 is a smartphone-compatible
pocket dermatoscope designed to view skin
lesions using cross-polarized or non-polarized
light and high magnification and clarity.
A high-quality 10x lens with superb color
correction and reduced image distortion pro-
duces an image rich in surface detail.
IceCap®
To support your infection control measures,
snap one of the included disposable IceCaps
(IC) over the installed faceplate (FP). To
remove and dispose, simply pull it off.
Hold your DermLite DL4, with the LEDs
aimed in the direction of the lesion to be ex-
amined, approximately 25mm (1") above the
skin. Push the power button (P) to turn on the
device or push the two mode buttons (POL
& PB), located at the head, simultaneously.
Look through the lens and move the device
closer or farther away from the skin to focus
the image. To toggle between non-polarized
mode for immersion fluid dermoscopy and
cross-polarized illumination, briefly push any
button. Push and hold (POL) for about 1 sec-
ond to toggle between two brightness levels.
For dermoscopy with skin contact, rotate the
Focus Dial (FD) to extend the spacer (S) and
focus the image. To turn off your DermLite,
push the power button (P) for about 1 sec.
or push the two mode buttons (POL & PB),
located at the head, simultaneously. To save
power, the unit automatically turns off after 3
minutes.
Photography
This DermLite may be connected with mobile
devices or cameras using DermLite magnetic
adapters (sold separately) which attach to the
extension ring (ER). Prior to taking images,
wipe the faceplate (FP) clean and extend the
spacer (S) to the "0" position.
Removing the Faceplate
The faceplate (FP) may be pulled off the
Spacer (S) by grabbing it at the fingernail
notches.
PigmentBoost®
Press (PB) briefly to activate PigmentBoost
lighting in addition to white light. To enter the
exclusively orange PigmentBoost Plus mode,
press the button (PB) for about 1 second;
briefly press (PB) or (POL) to exit.
Battery and Charging
CAUTION: This device uses a special 3.7V
1400 mAh lithium ion battery, which can
only be purchased from DermLite or from an
authorized DermLite dealer. Do not under any
circumstances use another battery other than
the one designed for this unit.
This device is equipped with a four-level
Charge Indicator (CI). When the unit is turned
on and fully charged, all four LEDs light up.
When less than 75% of battery life remains,
three LEDs are illuminated. If more than
half the battery is drained, two LEDs are on,
while a single LED indicates that less than
25% of battery capacity remains. To charge
your device, connect the supplied USB-C
to USB cable to the Charging Port (CP) and
any IEC 60950-1 compliant (5V) USB port.
The Charge Indicator (CI) pulses to indicate
charging, with the number of pulsing LEDs
corresponding with charge level. When
charging is complete, all four indicator LEDs
illuminate. After years of use, you may wish
to re-place the battery, which is only available
directly from DermLite or an authorized Der-
mLite dealer.
After hundreds of charges, the battery's
capacity will be reduced to the point where
it may be more convenient to replace the
battery. To remove the battery (BT), remove
the battery cap (BC) by unscrewing the set
screw (SSC) using the wrench supplied with
each DL4 replacement battery. Disconnect
the small white battery plug (BP) and slide
the battery (BT) out. Insert a new battery
and reconnect the battery plug. Replace the
battery cap (BC) and secure it with the set
screw (SSC).
Troubleshooting
Please check www.dermlite.com for the most
current troubleshooting information. If your
device requires servicing, visit www.dermlite.
com/service or contact your local DermLite
dealer.
Care and Maintenance
CAUTION: No modification of this equipment
is allowed.
Your device is designed for trouble-free oper-
ation. Repairs shall be made only by qualified
service personnel.
Cleaning
The exterior of your device, except the optical
parts, may be wiped clean with isopropyl al-
cohol (70% vol.) prior to use on a patient. The
lens should be treated as high-quality pho-
tographic equipment and should be cleaned
with standard lens cleaning equipment and
protected from harmful chemicals. Do not use
abrasive material on any part of the equip-
ment or immerse the device in liquid. Do not
autoclave.
Warranty: 5 years for parts and labor. The
battery is warranted for 1 year.
Disposal
This device contains electronics and a
lithium-ion battery that must be separated
for disposal and may not be disposed of with
general household waste. Please observe
local disposal regulations.
This set includes:
DermLite (24 LEDs, 30 mm lens system
with 10x magnification, cross-polarized and
non-polarized illumination, retractable spacer,
removable faceplate with 10 mm reticle),
silicone sleeve, belt case, charging cable, 5
IceCaps.
Technical Description
Visit www.dermlite.com/technical or contact
your local DermLite dealer.
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