Spectra Precision HV302 G, HV302 User Manual
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TABLE OF CONTENTS
Introduction
For Your Safety
Components
How to Use the Laser System
Powering the Laser
Turning On/Off the Laser
Laser Setup
Standard Features
Rotation Mode
Scan Mode
Manual Mode
Y-/X-Single Slope Mode
Mask mode
Activating/Deactivating Standby Mode
Operating Examples
Determining the Height of Instrument (HI)
Using the optional HL760/HL760U receiver
Pairing the HL760/HL760U receiver with the transmitter
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Special Features using the optional RC402N
RC402N Features and Functions
Powering the RC402N
Turning On/Off the RC402N Radio Remote Control
Pairing the remote control with the transmitter
MENU Features at the RC402N
Rotation
Scan
Automatic Grade Match
Automatic PlaneLok
Mask mode
Line Scan (Vertical Setup)
Beam Plunge (Vertical Setup)
Setting Menu
Info
Service menu
Setting Menu Selections
HI-alert selection
Sensitivity
Language
Radio Channel
CALIBRATION
Checking Calibration of the Y- and X-Axes
Checking Calibration of the Z-(vertical) Axis
Wall Mount
PROTECTING THE UNIT
CLEANING AND MAINTENANCE
PROTECTING THE ENVIRONMENT
WARRANTY
TECHNICAL DATA
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Introduction
Thank you for choosing one of the Spectra Precision Lasers from the Trimble family of precision lasers.
The HV302/HV302G laser is an easy-to-use tool that allows you to take accurate horizontal/vertical
measurements, 90°- and plumb beam transfer.
For Your Safety
For hazardless and safe operation, read all the user guide instructions.
- Use of this product by people other than those trained on this product may result in exposure to
hazardous laser light.
- Do not remove warning labels from the unit.
- The HV302/HV302G is a class 3A/3R laser (<5 mW; 600 - 680 nm / G - 520 nm) IEC 60825-1:2014)
- Never look into the laser beam or direct it to the eyes of other people.
- Always operate the unit in a way that prevents the beam from getting into people's eyes.
- If initial service is required, which results in the removal of the outer protective cover, removal
must only be performed by factory-trained personnel.
Caution: Use of other than the described user and calibration tools or other procedures
may result in exposure to hazardous laser light.
Caution: Using different than described at the HV302/HV302G user guide, may result in unsafe
operation.
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HV302/HV302G - Components
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l
q
r
j
k
m
n
o
p
q
r
a
b
c
e
d
f
g
i
h
Components
a Power Button
b Battery LED
c Manual/Standby Button
d Leveling LED
e HI/Manual/Standby LED
f Up and Down Arrow Buttons
g Left and Right Arrow Buttons
h Rotation Button
i Scan Button
j Rotor
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k Sunshade
l Sighting Guides
m Axes-Alignment-Marks
n Recharge Jack
o Handle
p Battery door
q 5/8 x 11 Tripod Mounts
r Rubber feet
How to Use the Laser System
Powering the Laser
Batteries
WARNING
Ni-MH batteries may contain small amounts of harmful substances.
Be sure to charge the battery before using it for the first time, and after not using it for an extended length of
time.
Charge only with specified chargers according to device manufacturer‘s instructions.
Do not open the battery, dispose of in fire or short circuit; it may ignite, explode, leak or get hot causing
personal injury.
Dispose in accordance with all applicable federal, state, and local regulations.
Keep the battery away from children. If swallowed, do not induce vomiting. Seek medical attention
immediately.
Installing Batteries
Remove the battery door by turning the center screw 90° counterclockwise. Insert batteries (or a
rechargeable battery pack) into the housing so that the negative poles are on the bigger battery spiral
springs.
DO NOT REMOVE RECHARGEABLE BATTERIES FROM THEIR HOLDER AND INSTALL ALKALINE
BATTERIES, SEVERE DAMAGE TO UNIT WILL RESULT IF CHARGING IS ATTEMPTED.
Install the battery door and tighten it by turning the center screw 90° clockwise.
A mechanical switch prevents alkaline batteries from being charged. Only the original rechargeable battery
pack allows charging within the unit. Any other rechargeable batteries have to be charged externally.
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Powering the HV302/HV302G
1 – HV302/HV302G is shipped with a
rechargeable NiMH battery pack, it is keyed to
prevent mis-insertion.
2 – The rechargeable battery pack can be
charged inside of the unit
3 – Alkaline batteries can be used as a
backup
4 – Plus and minus symbols at the battery
door indicate how to put the alkalines
into the battery compartment
Recharging the Batteries
Note: The battery LED shows the approximate charge of the batteries.
The LED will flash when battery voltage is between 3.8 and 4.0 volts.
The LED will be on continuously when battery voltage is less than 3.8 volts.
The charger requires approx. 13 hours to charge empty rechargeable batteries.
For charging, connect the plug of the charger to the recharge jack of the unit.
New or long-time out-of-use rechargeable batteries reach their best performance after being charged and
recharged five times. For Indoor applications the charger can be used as a power supply for the GL.
Alkaline batteries can be used as a backup. Insert 4 D-cell batteries noting the plus (+) and minus (-)
diagrams at the battery door.
The batteries should only be charged when the laser is between 50° F and 104° F (10°C
to 40°C). Charging at a higher temperature may damage the batteries. Charging at a
lower temperature may increase the charge time and decrease the charge capacity,
resulting in loss of performance and shortened life expectancy.
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Laser Setup
Position the laser horizontally (tripod mount and rubber feet downward!) on a stable platform, wall mount or
tripod at the desired elevation.
The laser recognizes automatically whether it is used horizontally or vertically when switched on.
Turning On/Off the laser
Press the power button to turn On the laser.
The LEDs (b, d and e) are turned on for 3 seconds. Self-leveling will start at once. The unit is leveled when
the leveling LED (d) is no longer flashing (once every second). The rotor will not spin until the unit is
leveled. For the first five minutes after the laser self levels, the LED (d) lights solid then flashes every four
seconds to let you know the laser is still level and the HI alert has been activated.
To turn Off the laser, press and hold the power button again.
If the laser is positioned beyond its self-leveling range of ±8%, the manual and leveling indicators flash
simultaneously and a warning sound is emitted. Reposition the laser within its self-leveling range.
Once leveled, the unit constantly monitors its level condition. The height change (HI) alert is activated 5
minutes after self-levelingwas performed. The green LED (d) flashes every 4 seconds and HI appears at
the right corner of the optional remote control’s display.
Level errors > 30 mm/10 m put the unit into alert mode because they are generally caused by a disturbance
that could lead to inaccurate measurements. When entering into alert mode, the rotation stops, the laser
beam turns off, a warning sound is heard and the HI/MAN LED (e) flashes 2 x per second. Turn the unit off
and then on again. To ensure your former elevation, now you have to check or arrange the exact height.
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Standard Features
Rotation Mode
Rotation speed can be selected using the Rotation button as well as using the RC402N menu.
Repeatedly pressing the Rotation button toggles through 0, 10, 80, 200, 600 rpm regardless if the unit is in
automatic or manual mode. At 0 rpm, the beam stops automatically close to the +Y- axis center position.
When set up horizontally in automatic mode, using buttons Up/Down increases/decreases the rotor speed from
10 to 80 and then continuously in 10 rpm increments up to 600 rpm.
Note: The zone-scan button can be used to stop the beam’s rotation.
Pointing mode
At 0 rpm, buttons Left/Right move the beam to the left/right side. When set up vertically at 0 rpm, buttons
Up/Down can be used for moving the beam clockwise/counterclockwise and to align the rotor vial.
Scan mode
Scan mode can be selected using the Scan button as well as using the RC402N menu.
Quickly press and release the Scan button to toggle between the pre-selected scan sizes 5°, 15°, 45°, 90°, 180°
and 0; regardless if the unit is in automatic or manual mode.
When working in horizontal automatic mode, press and hold button Up/Down to increase/decrease the line size
in 5° increments. Press and hold button Left/Right moves the scan line to the right/left direction.
When used in automatic vertical mode, pressing and holding button Up/Down moves the scan line
counterclockwise/ clockwise. When set up vertical, pressing and holding button Left/Right moves the scan line
into the right/left direction regardless if in automatic or manual mode. For the first 4 seconds, the scan line
moves slowly than faster.
Note: The rotation control button can be used to stop the scan mode.
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Standard Features
Manual mode
Pressing and releasing Manual button activates/deactivates the manual mode regardless if set up horizontal or
vertical.
Manual mode is indicated by the flashing (once every second) red LED (e).
In Manual mode (horizontal), the Y-axis can be sloped by pressing the Up and Down Arrow-buttons on the laser
or remote control. Additionally, the X-axis can be sloped by pressing the Left and Right Arrow-buttons on the
laser or the remote control.
To resume automatic self-leveling mode, press the manual button three times.
Pressing the Up and Down arrow buttons on the laser or the remote control in vertical mode adjust the slope of
the laser beam. The Left and Right arrow buttons on the laser or the remote control can be used to align the
laser beam to the right/left side.
To resume automatic self-leveling mode, press the Manual button again.
Y- and X- Single Slope Mode
The Manual button on the laser and remote control toggles the unit through Manual, the Y- and X- axis Single
Slope Mode, then Automatic Mode. To activate the Y-axis single slope mode, press the Manual button at the
laser or remote control twice and for X-axis single slope mode three times. The Y-axis mode is indicated by the
simultaneously flashing red e and green d LEDs (once every second); in X-axis mode the LEDs flash every
three seconds.
In Y-axis single slope mode, the Y-axis can be sloped by pressing the Up and Down Arrow-buttons on the laser
or remote control, while the X-axis remains in automatic self leveling mode (e.g. when setting up sloped ceilings
or drive ways). In X-axis single slope mode, the X-axis can be sloped by pressing the Right and Left Arrowbuttons on the laser or the remote control, while the Y-axis remains in automatic self leveling mode.
To resume automatic self-leveling mode from Y-axis single slope mode, press the Manual button twice; from X-
axis single slope mode, press the Manual button once.
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