Lens cover
replacement
If the lens cover becomes severely
smudged, scratched, or stained, it
should be replaced. To order a
replacement lens cover, see
“Support” on page 7.
Step 1
The cover is
replaced by
removing the two
Phillips head screws
and discarding the
damaged cover.
Step 2
Secure the replacement cover with
the retained Phillips head screws. Do
not over-tighten.
Changing bulbs
Bulbs used in the QX3
™
microscope are
a special type not found in stores.
Replacement bulbs other than
authorized Digital Blue bulbs may
cause damage to your microscope and
void your warranty! To order
replacement bulbs, see “Support” on
page 7.
NOTE:
A bulb should be replaced
whenever there is a noticeable
decrease in light output. Adequate light
is needed to get the best capture with
the microscope.
IMPORTANT:
The bulbs
become hot when operating. Make
sure the bulb has fully cooled to room
temperature before replacing. Do not
touch the surface of the replacement
bulb with your fingers.
Use a cloth or cotton
glove to prevent
damage to the bulb.
To change bulbs, follow
these steps:
Upper bulb replacement
1. Unplug the USB cable from your
computer.
2. Remove the microscope from
the base.
3. Remove the single screw holding
the bulb retainer in the microscope
housing.
4. Remove and discard the old bulb.
5. Insert the new
bulb, replace
the bulb retainer
and re-attach
the USB cable.
Lower bulb replacement
1. Unplug the USB cable from
your computer.
2. Remove the microscope from the
base and set it aside.
3. Remove the bulb cover on the
bottom of the sample platform by
loosening two screws.
4. Remove and discard
the old bulb.
5. Insert the new bulb,
replace the bulb
cover and re-attach
the USB cable.
IMPORTANT:
All procedures on this
page must be performed
by an adult.
6
Care and maintenance
Caring
for the lens
cover
The protective lens
cover on the QX3
™
microscope may
become dirty with
use. Use only
canned air to clean
it. Never use a lens
brush or other
rubbing method to
clean the lens cover.
Avoid the use of
liquid cleaners!
Cleaning the
sample plat-
form
The sample platform
should be wiped
clean with a damp
cloth after use. The
stand and
microscope should
also be wiped clean
whenever required.
1318 Parent Guide Final 03/12/2002 04:05 PM Page 6
