Extreme Networks A3 MK II User manual

A3
ROTARY LASER
INSTRUCTION MANUAL
Mk II

2
SAFETY
Read the following safety instructions before
attempting to operate this product.
Keep these instructions in a safe place or store
in the carry case for future reference.
SAVE ALL WARNINGS AND INSTRUCTIONS
FOR FUTURE REFERENCE.
WARNING: Read and understand all
instructions.
▪Use the laser only with the specically
designated batteries.
▪Store the laser out of reach of children and
other untrained persons. Lasers are dangerous
in the hands of untrained users.
▪Use only accessories that are recommended
for your model.
▪Tool service must be performed only by
qualied repair personnel. Repairs, service
or maintenance performed by unqualied
personnel will void the warranty. Only
approved and authorised service technicians
can carry out warranty repairs.
▪Do not use optical tools such as a telescope
or transit to view the laser beam. Serious eye
injury could result.
▪Do not place the laser in a position which
may cause anyone to intentionally or
unintentionally stare into the laser beam.
Serious eye injury could result.
▪ Do not position the laser near a reective
surface which may reect the laser beam
toward anyone’s eyes. Serious eye injury
could result.
▪Do not use optical tools to view the laser
beam.
!

3
▪Do not set up the tool at a position where
the laser beam can cross any person at head
height.
▪Do not let children come in contact with the
laser.
▪ Turn the laser o when it is not in use. Leaving
the laser on increases the risk of staring into
the laser beam.
▪Do not operate the laser around children or
allow children to operate the laser. Serious eye
injury may result.
▪Do not remove or deface warning labels.
▪Position the laser securely on a level surface.
Damage to the laser or serious injury could
result if the laser falls.
WARNING: DO NOT DISASSEMBLE
THE LASER. There are no user serviceable
parts inside. Disassembling the laser will
void all warranties on the product. Do not
modify the product in any way. Modifying
the tool may result in hazardous laser
radiation exposure.
CAUTION: Class 2 Laser Product
▪Never look into the laser beam directly and
intentionally.
▪Do not use optical tools to view the laser
beam.
▪Do not set up the tool at a position where
the laser beam can cross any person at
head height.
▪Do not let children come in contact with
the laser.
!
!

4
Laser glasses
Carry case Indoor charger 12v in-car
charger
Rechargeable
battery pack
Alkaline
battery pack
Laser targetMillimeter
detector & clamp
Remote controlExtreme A3 Mk II
INCHES CM
1
1
2
3
4
5
6
7
2
3
SC AN RP M
ITEM CHECKLIST
Please ensure the following items are included with your laser level.
If anything is missing please contact your retailer.

5
SC AN RP M
Rotating laser port Protective lighthouse
Control panel
Battery compartment
with rechargeable battery
Rechargeable battery
charging port
LASER OVERVIEW: FRONT

6
LASER OVERVIEW: BASE
Carry handle
Battery compartment
with rechargeable battery
5/8” x 11 thread for
horizontal operation
on a tripod
Padded feet for vertical
operation on a flat surface

7
LASER OVERVIEW: BACK
Rotating laser port
Carry handle
5/8” x 11 thread for vertical
operation on a tripod
Padded feet for vertical
operation on a flat surface

8
Power
Tilt alarm
Tilt alarm indicator
Speed indicators
Manual grade mode
Scanning mode
LASER OVERVIEW: CONTROL PANEL
Power indicator
Speed control
Grade adjustment (manual mode)
/ counter clockwise rotation
Grade adjustment (manual mode)
/ clockwise rotation
X / Y axis indicator
(manual grade mode)

9
REMOTE CONTROL OVERVIEW: FRONT
Power
Tilt alarm
Scanning mode
Speed control
LCD display screen
Dial-in grade mode
▪ Grade adjustment (manual mode)
▪ Clockwise rotation
▪ Grade adjustment (manual mode)
▪ Counter clockwise rotation

10
REMOTE CONTROL OVERVIEW: LCD SCREEN
Battery level
Automatic grade mode
Scan mode Manual grade mode
Tilt alarm
Rotation speed (RPM)
X-axis
Y-axis
Self-levelling

11
REMOTE CONTROL OVERVIEW: BACK
Battery compartment

12
Speaker on / off
Detection mode
LCD display screen
LED indicator
LED indicator
LED indicator
Laser sensor
Metric or imperial selection (press)
Screen backlight (hold)
Bubble vial
Bubble vial
Speaker
Power on / off (detector)
DETECTOR OVERVIEW: FRONT

13
Measurement
Unit
DETECTOR OVERVIEW: LCD SCREEN
Brightness indicator
Arrow indicator
Arrow indicator
Battery indicator
Centre alignment
Detection mode
Plus and minus indicator
Speaker indicator

14
Battery compartment
Staff clamp thread
Staff clamp mounting points
LCD display screen
DETECTOR OVERVIEW: BACK

15
USING YOUR LASER
WARNING: Only use the supplied
charger. Using an incorrect charger
will void the warranty. Do not charge
alkaline batteries.
!
Indoor charger
▪ The indoor charger is for indoor use only.
▪Do not store in locations where moisture
can be present or where the chargers could
be exposed to extreme temperatures.
▪ If a charger becomes damaged,
stop using immediately and seek a
replacement.
12v in-car charger
▪ The in-car charger is for vehicles with
12v output only.
▪Do not store in locations where moisture
can be present or where the chargers could
be exposed to extreme temperatures.
▪ If a charger becomes damaged,
stop using immediately and seek a
replacement.
POWER SUPPLY

16
Rechargeable battery pack
▪The instrument is supplied with a
rechargeable Ni-MH battery pack that
is located on the front of the instrument
below the control panel.
▪The rechargeable battery pack is
supplied only partially charged. Charge
the rechargeable battery pack before use.
Keep the rechargeable battery pack in the
carry case when not in the laser level.
▪The power indicator light will flash when
the battery is low. The instrument should
be re-charged as soon as possible.
▪Battery pack capacity decreases at low
temperatures; a depleted pack may not
function when cold.
Charging the rechargeable battery pack
▪ Insert the charger into the charging port
on the rechargeable battery pack. Progress
will be shown by the power indicator
display on the charger as below:
Red (flashing) = Charger and battery
are not connected.
Red (constant) = Battery is charging
Green (constant) = Battery is charged
▪ Charging time is approximately 5 hours
for a depleted battery.
POWER SUPPLY (continued)

17
WARNING: Do not attempt to
disassemble the battery pack.
!
Removing and inserting the rechargeable
battery pack
▪ Loosen the battery pack screw on the front
of the instrument below the control panel
and slide the battery pack out. If the screw
is tight, loosen with a screwdriver.
▪ Insert the battery pack and retighten the
battery pack screw. For better weather
sealing, use a screwdriver to tighten.
The rechargeable battery pack does
not need to be inserted in the laser
whilst charging.
i
POWER SUPPLY (continued)

18
Tripod set up
▪Select a place as close and practical
to the work site as possible, and ensure
that the location is clear of traffic.
▪Extend the tripod legs to the required
height and then spread the legs wide
enough so that the tripod platform is
stable.
▪Place the instrument onto the tripod
with the lighthouse facing upwards and
thread the yoke into the base until firm.
Do not over tighten as this may cause
damage to the instrument or tripod.
Level surface set up
▪Select a place as close and practical
to the work site as possible, and ensure
that the location is clear of traffic.
▪Place the laser level onto a reasonably
level surface with the lighthouse facing
upwards.
HORIZONTAL MEASUREMENT SET UP

19
Level surface set up
▪Select a place as close and practical to
the work site as possible, and ensure that
the location is clear of traffic.
▪Place the laser level onto a reasonably
level surface with the control panel facing
upwards.
Tripod set up
▪Select a place as close and practical to
the work site as possible, and ensure that
the location is clear of traffic.
▪Select a place as close and practical to
the work site as possible, and ensure that
the location is clear of traffic.
▪Extend the tripod legs to the required
height and then spread the legs wide
enough so that the tripod platform is
stable.
▪Place the instrument onto the tripod
with the control panel facing upwards and
thread the yoke into the back until firm.
Do not over tighten as this may cause
damage to the instrument or tripod.
VERTICAL MEASUREMENT SET UP

20
Speed control
▪Press the speed control button to cycle
through various rotational speeds.
▪The current rotation speed selected will
be displayed on the front control panel of
the instrument. The current rotation speed
selected will also be displayed on the
remote control screen.
Scanning mode
▪To focus the laser beam between two
points press the scanning mode button.
Pressing the button multiple times will
adjust the angle of the beam.
▪To cancel scan mode press the scanning
mode button several times to cycle
through to full rotation or power the
instrument off and on again.
OPERATION
Powering on
▪ Press the power button once and the
instrument will power on and begin
automatically self-levelling. When this
levelling process is complete, the penta
prism inside the lighthouse will start rotating.
▪If the instrument is outside the self levelling
range the instrument will not level causing
the laser beam to flash continuously. If this
occurs, reposition the instrument onto a level
surface until the instrument can level off.
Powering off
▪Press the power button once and the
instrument will power off.