1. INSTALLING THE BATTERY
Push in the battery door tab and open the door. Insert a
new
9-volt 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 9-volt battery with a brand new battery immediately.
2. OPERATING TIPS
For optimum scanning results, it is important to properly hold
the MultiScanner
®
HD
900c
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 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 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 16 or 24 in. (41 or 61 cm) apart and are 1
1
⁄
2
in. (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, 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
®
HD
900c 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
®
HD
900c 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
®
HD
900c 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
®
HD
900c 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 16 and 24 in. (41 and 61 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
3
⁄
4
in. (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 Power button is not pressed.
4. TURNING ON/CALIBRATING THE TOOL
• Place MultiScanner
®
HD
900c against the wall
before
pressing the Power button in
StudScan or DeepScan
®
mode.
• Once powered on, 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.
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.
8. SCANNING IN AC MODE
AC Scan will only detect live (hot), unshielded AC wiring. Please refer to the WARNING
statement in number 6. WIREWARNING® DETECTION for more important details and
warnings about AC detection.
1. Move mode switch to AC Scan. Press 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 display
bars reduce.
3. Without releasing Power button, reverse direction (back towards the previous mark)
and mark the location where the display 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 a few
inches to the left or right, and begin your scan again.
FCC Part 15 Class B Registration Warning
This device complies with Part 15 of FCC Rules. Operations subject to the following two conditions:
(1) this device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
The MultiScanner
®
HD
900c, 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
3
⁄
4
in.
(19 mm) deep
• DeepScan
®
: Locates the center and edges of wood and metal studs up to 1
1
⁄
2
in.
(38 mm) deep
• Metal Scan: Detects ferrous (magnetic) metal (such as
1
⁄
2
inch rebar) up to 3 in.
(76 mm) deep and non-ferrous (non-magnetic) metal up to 1
1
⁄
2
in. (38 mm) deep
• AC Scan: Detects live unshielded AC wires up to 2 in. (51 mm) deep
Figure A
Figure B
Figure C
SpotLite
®
Pointer
Target Spotlight
ColorTrip
™
Display
Mode
Selector
Switch
Battery (Door Tab)
StudScan /
DeepScan
®
Mode Indicator
Low Battery
Indicator
AC Icon
Target Indication Bars
Metal Mode
Indicator
Edge / Center
Indicator
Auto Correcting
Indication
Signal Strength
Indicator
Power Button
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 tool across surface. EDGE indication
will illuminate, indicating location of the stud edge.
Continue sliding 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 2 in. (51 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 tool flat on the wall, then press and hold
the Power button. Wait for 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 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
display bars reduce.
3. Without releasing Power button, reverse direction (back towards the previous mark)
and mark the location where the display 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 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
).
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.)
WARNING
MultiScanner
®
HD
900c OneStep
®
Multifunction Wall Scanner
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 12, 16, or 24 in. (31, 41, or 61 cm) apart or for the same stud
at several places directly above or below the first scan area.
• A stud reading would measure approximately 1
1
⁄
2
in. (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 number 2, Operating Tips)
Situation
Probable Cause
Solution
LIMITED 1 YEAR WARRANTY
Zircon Corporation, (“Zircon”) warrants this product to be free from defects in materials and workmanship
for one years from the date of purchase. Any in-warranty defective product returned to Zircon*, freight prepaid
with proof of purchase date and $5.00 to cover postage and handling, will be repaired or replaced at Zircon’s
option. This warranty is limited to the electronic circuitry and original case of the product and specifically
excludes damage caused by abuse, unreasonable use or neglect. This warranty is in lieu of all other warranties,
express or implied, and no other representations or claims of any nature shall bind or obligate Zircon.
Any implied warranties applicable to this product are limited to the one year period following its purchase.
IN NO EVENT WILL ZIRCON BE LIABLE FOR ANY SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
RESULTING FROM POSSESSION, USE OR MALFUNCTION OF THIS PRODUCT.
In accordance with government regulations, you are advised that: (i) some states do not allow limitations on
how long an implied warranty lasts and/or the exclusion or limitation of incidental or consequential damages,
so the above limitations and/or exclusions may not apply to you, and further (ii) 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) and $5.00 to cover postage
and handling, to:
Zircon Corporation
*Attn: Returns Department
1580 Dell Avenue
Campbell, CA 900c08-6918 USA
Be sure to include your name and return address. Out of warranty service and repair, where proof of purchase
is not provided, shall be returned with repairs charged C.O.D. 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. PDT
www.zircon.com • [email protected]
© 2016 Zircon Corporation • P/N 68216 • Rev B 10/16
Visit www.zircon.com/support 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 Power button, slide tool a few inches 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 2 in. (51 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
®
HD
900c
over either of first two marks (Metal mode only).
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 12 in. (31 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.
WARNING
WARNING
EN
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