DeepScan
®
Metal Scan
StudScan
AC Scan
1. INSTALLING THE BATTERY
Push in the battery door tab and open the door. Insert a
new
9V alkaline battery, matching the positive (+) and negative (-)
terminals and replace the door.
Low Battery Indicator:
The Low Battery Indicator icon displays
when the battery level is getting low. While the tool will still
operate, the battery will need to be replaced soon. When the
battery icon begins to flash and is the only icon displayed on the
screen, the battery level is too low and not sufficient to power the tool
for proper operation. Please replace the 9V battery with a brand new
battery immediately.
Zircon
®
stud finders and detectors, particularly those with LCD screens, require and
consume a great deal of current from batteries.
For optimal performance, brand-new, recently purchased alkaline batteries are strongly
recommended for use in these tools.
If you are experiencing any trouble with your tool, please replace the battery in your
tool with a brand-new one, or contact your Zircon
®
dealer or e-mail info@zircon.com.
2. OPERATING TIPS
For optimum scanning results, it is important to properly hold the MultiScanner
™
L
550c
and move slowly when scanning. The following tips will provide more accurate
scanning results:
• Grasp the handle with your thumb on one side and your fingers on the other side.
Make sure your fingertips are resting on the handle and not touching the surface
being scanned or the scanning head of the tool.
• Hold the tool straight up and down, parallel
to the studs, and do not rotate the tool.
• Keep the tool flat against the wall and do
not rock, tilt, or press hard when slowly
sliding across the surface being scanned.
• Avoid placing your other hand, or any
other part of your body, on the surface
being scanned. This will interfere with
the tool’s performance.
• If you’re receiving erratic scanning results,
it may be a result of humidity, moisture
within the wall cavity or drywall,
or recently applied paint or wallpaper that hasn’t fully dried.
While the moisture may not always be visible, it will interfere
with the tool’s sensors. Please allow a few days to several
weeks for the wall to dry out.
• Depending on the proximity of electrical wiring or pipes to
the wall surface, the scanner may detect them in the same
manner as studs. Caution should always be used when nailing,
cutting, or drilling in walls, floors, and ceilings that may contain
these items.
• To avoid surprises, remember that studs or joists are normally
spaced 30, 40, or 60 cm apart and are 38 mm in width.
Anything closer together or a different width may not
be a stud, joist, or firebreak.
• If display lights, or flashes, red in StudScan, DeepScan
™
,
or Metal Scan modes, WireWarning
™
Detection has indicated
the presence of live AC electricity. Exercise extreme caution
before nailing, cutting, or drilling.
Always turn off power when working near electrical wires.
SCANNING DIFFERENT SURFACES
Wallpaper:
MultiScanner
™
L
550c functions normally on
walls covered with wallpaper or fabric, unless the materials
are metallic foil, contain metallic fibers, or are still wet
after application.
Wallpaper may need to dry for several weeks
after application.
Freshly painted walls:
May take one week or longer to dry
after application.
Lath & plaster:
Due to irregularities in plaster thickness, it is
difficult for MultiScanner
™
L
550c to locate studs in Stud modes.
Change to Metal Scan mode to locate the nail heads holding
wood lath to the studs. If the plaster has metal mesh reinforcement,
MultiScanner
™
L
550c may be unable to detect through that material.
Extremely textured walls or acoustic ceilings:
When scanning a ceiling or wall with an uneven surface, place thin cardboard on the
surface to be scanned and scan over the cardboard in DeepScan
™
mode. If irregular
scanning results are received, switch to Metal Scan mode to locate nails or drywall
screws that line up vertically where a stud or joist is positioned.
Wood flooring, subflooring, or gypsum drywall over plywood sheathing:
Use DeepScan
™
mode and move the tool slowly. The Signal Strength Indicator may
only display 1 or 2 bars when the tool locates a stud through thick surfaces.
MultiScanner
™
L
550c cannot scan for wood studs and joists through tile, concrete or
carpet and padding. In problematic situations, try using Metal Scan to locate nails
or screws that may line up vertically where a stud or joist is positioned.
Note: Sensing depth and accuracy can vary due to moisture, content of materials,
wall texture, and paint.
Indoor use only.
Do not rely exclusively on the detector to locate items
behind the scanned surface. Use other information
sources to help locate items before penetrating the surface. Such additional
sources include construction plans, visible points of entry of pipes and wiring
into walls, such as in a basement, and in standard 30, 40, and 60 cm stud
spacing practices.
3. SELECTING THE MODE
Move selector switch to the desired mode. ColorTrip
™
display will light green in
StudScan for finding wood or metal studs; green in DeepScan
™
for scanning walls over
19 mm thick; blue in Metal Scan for locating metal; and red in AC Scan for locating
live AC wiring.
Unit will remain off if the Power Button is not pressed.
4. TURNING ON/CALIBRATING THE TOOL
• Place MultiScanner
™
L
550c against the wall
before
pressing the Power Button in
StudScan or DeepScan
™
mode.
• Once powered on, the tool will automatically perform all calibrations. The LCD
will display all icons until calibration is complete. Upon completion of calibration,
the SpotLite
™
Pointer and buzzer will momentarily activate and the tool will begin
continuous measurements. Continue to hold the Power Button down and keep the
tool flat against the wall and begin scanning.
Note: It is important to wait for calibration to complete (1–2 seconds) before moving
the scanner.
narrow the scan area. This procedure can be repeated multiple times to narrow the
scan area even further (
Figure C
).
MAXIMUM SENSITIVITY
Unlike interactive calibration, maximum sensitivity is ideal when only an approximate
location of metal needs to be determined. To achieve maximum sensitivity, calibrate
the tool in the air, away from any obvious metal, by pressing and holding the Power
Button. Then follow Steps 2 and 3 above. (Only Metal Scan mode can be calibrated off
the wall to achieve maximum metal sensitivity.)
8. SCANNING IN AC MODE
AC Scan will only detect live (hot), unshielded AC wiring. Please refer to the WARNING
statement in Section 6. WIREWARNING
™
DETECTION for more important details and
warnings about AC detection.
1. Move mode switch to AC Scan. Press the tool flat against the wall, then press and
hold the Power Button. Wait for the beep to confirm calibration has completed before
moving the tool. Display will light red with the AC icon to indicate the mode.
2. (
Figure A
) While holding the Power Button, slowly slide the tool across the surface.
Mark the location where you get the highest AC indication (the most Target Indication
Bars on the screen). If it is a strong signal, the SpotLite
™
Pointer will also illuminate
and a steady beep will sound. Continue in the same direction until the Target
Indication Bars reduce.
3. Without releasing the Power Button, reverse direction (back towards the previous
mark) and mark the location where the Target Indication Bars peak. The midpoint
between the two marks is the approximate location of the live AC wiring.
As with Metal Scan, you can perform interactive calibration in AC Scan to adjust the
tool’s sensitivity to live AC. If your scan indicates live AC over a large area, you can
refine the scanning area and narrow the location of the AC target by following Step
4 below.
4. (
Figure B
) To further pinpoint the location of the live AC target, release the
Power Button. Place the tool on the wall over one of your previous marked locations,
calibrate, and scan the area again. This will reset the tool to a lower sensitivity and
narrow the scan area. This procedure can be repeated multiple times to narrow the
scan area even further
(Figure C
).
If you directly calibrate over an area with live AC, the middle Target Indication Bars
and red screen will flash on and off. Release the Power Button, slide the tool 7–8 cm
to the left or right, and begin your scan again.
The MultiScanner
™
L
550c, with advanced ColorTrip
™
display, lights green in StudScan
and DeepScan
™
, blue in Metal Scan, and red in AC Scan mode. When AC WireWarning
™
is detected in StudScan, DeepScan
™
, or Metal Scan modes, screen will light, or flash, red.
• StudScan: Locates the center and edges of wood and metal studs up to 19 mm deep
• DeepScan
™
: Locates the center and edges of wood and metal studs up to 38 mm deep
• Metal Scan: Detects ferrous (magnetic) metal (such as 13 mm rebar) up to 75 mm deep
and non-ferrous (non-magnetic) metal up to 38 mm deep
• AC Scan: Detects live unshielded AC wires up to 50 mm deep
DeepScan
®
Metal Scan
StudScan
AC Scan
DeepScan
®
Metal Scan
StudScan
AC Scan
DeepScan
®
Metal Scan
StudScan
AC Scan
Figure A
Figure B
Figure C
SpotLite
™
Pointer
Mode
Selector
Switch
Battery (Door Tab)
StudScan/
DeepScan
™
Mode Indicator
Low Battery
Indicator
AC Icon
ColorTrip
™
Display
Target
Indication
Bars
Center/Edge/Metal
Indicator
Auto Correcting
Indication
Signal Strength
Indicator
Power Button
ACT
™
(Auto Correcting Technology)
During scanning, the tool will
automatically recalibrate itself
when needed. This recalibration is
transparent and no indication is made.
If an arrow icon illuminates, the tool
calibrated near or over a stud and then
moved away. The arrow indicates the
direction of the missed stud.
5. FINDING A STUD
Always scan for studs with the scanner placed flat against the wall.
Move the mode switch to StudScan, place the tool flat against the wall,
then press and hold the Power Button. Wait for beep to
confirm calibration has completed before moving scanner.
Display will light green with the word “StudScan” to
indicate the mode.
Slowly slide the tool across surface. EDGE indication
will illuminate, indicating location of the stud edge.
Continue sliding the tool. When the center of a stud
is located, the three bars on the Signal Strength Indicator,
the middle segments of the Target Indication Bars,
CENTER indication, and SpotLite
™
Pointer will all
illuminate and the buzzer will sound.
In cases of deeper studs (thicker walls), when the
center of the stud is located, only two bars will
show on the Signal Strength Indicator and only the
SpotLite
™
Pointer and middle segments of the Target
Indication Bars will illuminate. If you still cannot locate
a stud, try DeepScan
™
mode. Display will light green
with the word “DeepScan” to indicate the mode.
Note: To determine if the object located was a wood stud,
metal stud, or pipe, scan the location in Metal Scan mode.
In Metal Scan, only the metal drywall screws will be found
in wood studs, while metal will be indicated throughout
the entire metal stud or pipe. To better determine if the
target object is a metal stud or pipe, studs usually run
floor to ceiling whereas a pipe may not.
6. WIREWARNING
™
DETECTION
Zircon’s WireWarning
™
Detection feature works continuously in StudScan, DeepScan
™
,
and Metal Scan modes. When live AC voltage is detected, the AC Icon will appear
in the display and the display will light red until AC is no longer detected. If scanning
begins directly over an area with live AC wire, the AC Icon and display will flash red
continuously. Use extreme caution under these circumstances or whenever live AC wiring
is present.
Electrical field locators may not detect live AC wires if wires
are more than 50 mm from the scanned surface, in concrete,
encased in conduit, present behind a plywood shear wall or metallic wall
covering, or if moisture is present in the environment or scanned surface.
DO NOT ASSUME THERE ARE NO LIVE ELECTRICAL WIRES IN THE
WALL. DO NOT TAKE ACTIONS THAT COULD BE DANGEROUS
IF THE WALL CONTAINS A LIVE ELECTRICAL WIRE. ALWAYS TURN OFF THE
ELECTRICAL POWER, GAS, AND WATER SUPPLIES BEFORE PENETRATING A
SURFACE. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN ELECTRIC
SHOCK, FIRE, AND/OR SERIOUS INJURY OR PROPERTY DAMAGE.
Always turn off power when working near electrical wires.
7. SCANNING IN METAL MODE
1. Move mode switch to Metal Scan. Place the tool flat on the wall, then press and
hold the Power Button. Wait for the tool to beep to confirm calibration has completed.
Display will light blue with the word “METAL” to indicate the mode.
2. (
Figure A
) While holding the Power Button, slowly slide the tool across the surface.
Mark the location where you get the highest metal indication (the most Target
Indication Bars on the screen). If the signal is strong, the SpotLite
™
Pointer will also
illuminate and a steady beep will sound. Continue in the same direction until the
Indication Bars reduce.
3. Without releasing the Power Button, reverse direction (back towards the previous
mark) and mark the location where the Target Indication Bars peak. The midpoint
between the two marks is the approximate location of the center of the metal object.
INTERACTIVE CALIBRATION
Interactive calibration is the act of calibrating the tool closer to the target to reduce
the tool’s sensitivity. In Metal Scan, you can perform interactive calibration to adjust
the tool’s sensitivity to metal. This is ideal when your scan indicates metal over a large
area. To refine your scanning area and narrow the location of the metal target, follow
Step 4 below.
4. (
Figure B
) To further pinpoint the location of the metal target, release the
Power Button. Place the tool on the wall over one of your previous marked locations,
calibrate, and scan the area again. This will reset the tool to a lower sensitivity and
WARNING
WARNING
WARNING
MultiScanner
™
L550c OneStep
™
Multifunction Wall Scanner
EN
Detects other objects besides studs
in StudScan mode.
Finds more targets than there
should be.
• Electrical wiring and metal/plastic pipes may be
near or touching back surface of wall.
• Scan the area in Metal Scan and AC Scan to determine if metal or hot AC is present.
• Check for other studs equally spaced to either side 30, 40, or 60 cm apart or for the same stud at several places
directly above or below the first scan area.
• A stud reading would measure approximately 38 mm apart from each edge; anything larger or smaller is most
likely not a stud if not near a door or window.
9. HELPFUL HINTS
(See also Section 2, OPERATING TIPS)
Situation
Probable Cause
Solution
LIMITED 1 YEAR WARRANTY
Zircon Corporation (“Zircon”) warrants to the product owner that this product will be free from defects in materials
and workmanship for one year from the original date of purchase. Any defective product returned to Zircon within
the warranty period to the address below, freight prepaid, along with proof of purchase, will be repaired or replaced,
at Zircon’s option. Repair or replacement may be made with a new or refurbished product or components, at Zircon’s
sole discretion. If the returned product is no longer available, Zircon may replace the product with a similar product
of similar function. This warranty is limited to the electronic circuitry of the product and original case of the product,
and specifically excludes any damage caused by abuse, modification, handling contrary to these instructions, other
unreasonable use, or neglect. This is your sole and exclusive remedy for breach of this Limited Warranty.
This Limited Warranty is in lieu of all other warranties, express or implied, and no other representations or claims of a
similar nature will bind or obligate Zircon. Any implied warranties applicable to this product that cannot be disclaimed
are limited to the one year period following its purchase. This Limited Warranty does not cover consumable parts,
including batteries, or software, even if packaged with the product. IN NO EVENT WILL ZIRCON BE LIABLE FOR ANY
SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM POSSESSION, USE OR MALFUNCTION OF
THIS PRODUCT.
Some states do not allow limitations on certain implied warranties and/or the limitation on incidental or
consequential damages, so the above limitations and exclusions may not apply to you. This warranty gives you
specific legal rights, and you may also have other rights which vary from state to state.
Return product freight prepaid with proof of purchase date (dated sales receipt) to:
Zircon Corporation
Attn: Returns Department
1580 Dell Avenue
Campbell, CA 95008-6992 USA
Be sure to include your name and return address. Allow 4 to 6 weeks for delivery.
Customer Service: 1-800-245-9265 or 1-408-963-4550
Monday–Friday, 8:00 a.m. to 5:00 p.m. PST
info@zircon.com • www.zircon.com
© 2017 Zircon Corporation • P/N 69444 • Rev A 11/17
Visit www.zircon.com for the most current instructions.
ACT, ColorTrip, DeepScan, MultiScanner, OneStep, SpotLite, WireWarning, and Zircon are registered trademarks or trademarks of Zircon Corporation.
Constant readings of studs near
windows and doors.
Display flashing red.
• Double and triple studs are usually found around
doors and windows. Solid headers are above them.
• Tool calibrated directly over an area where live
AC was detected.
• Detect outer edges so you know where to begin.
• Release the Power Button, slide the tool 7–8 cm to the left or right, and begin your scan again.
You suspect electrical wires, but do not
detect any.
Tool not operating.
Flashing Low Battery Indicator.
• Battery level low for proper operation.
• Replace with brand new 9V alkaline battery.
• Wires are shielded by metal conduit, a braided
wire layer, metallic wall covering, plywood shear
wall, or other dense material.
• Wires deeper than 50 mm from surface might not
be detected.
• Wires may not be live.
• Try Metal Scan mode to see if you can find metal, wire, or metal conduit.
• Use extra caution if the area has plywood, thick wood backing behind drywall, or thicker than normal walls.
• If a switch controls an outlet, make sure it is ON for detection, but turned off when working near
electrical wires.
Use CAUTION when nailing, sawing, or drilling into walls, floors, and ceilings where these items may exist.
Image of metal object appears wider
than actual size.
• Metal has greater density than wood.
• To reduce sensitivity, recalibrate MultiScanner
™
L
550c
over either of first two marks (Metal Scan mode only.
See Section 7)
Difficulty detecting metal.
• Tool calibrated over metal object.
• Metal targets too deep or small.
• The scanner may have been calibrated over a metal object, reducing sensitivity. Try calibrating in another location.
• Scan in both horizontal and vertical directions. Metal sensitivity is increased when metal object is parallel to sensor,
located under Zircon logo.
Area of voltage appears much larger
than actual wire (AC only).
• Voltage detection can spread on drywall as much
as 30 cm laterally from each side of an actual
electrical wire.
• To narrow detection, turn unit off and on again at the edge of where wire was first detected and scan again.
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