Topcon RL-VH4DR/G2 Instruction Manual
INSTRUCTION MANUAL
ROTATING LASER
RL-VH4DR/G2
31375 90050
TEP
EU
1
Foreword
Thank you for purchasing the Topcon RL-VH4DR/G2 Rotating Laser.
It is one the world’s most advanced lasers.
To quickly and effectively use the RL-VH4DR/G2, please read these brief instructions carefully, and
keep them in a convenient location for future reference.
Handling Precautions
Before starting work or operation, be sure to check that the system is functioning properly.
1. Vibration and Impact Protection
When transporting the instrument, provide protection to minimize risk of severe vibration or
impact. Severe vibration or impacts may affect beam accuracy.
2. Laser Scanning Interference
Particular reflective surfaces such as mirrors and some glass surfaces, can cause beam
reflection that in very rare circumstances can interfere with the laser scanning function. If this
should happen, simply change the location of the laser or cover the reflective surface.
3. Checking battery power.
Before operating, check remaining battery life.
4. Storing the instrument for long period
When storing the instrument for long period, remove the batteries.
5. Rotating Head
When sunlight, etc. enters the laser emitting window, laser beam output may temporarily
decrease. In such a case, prevent sunlight, etc. from entering by using a parasol or other means.
2
Safety Information
In order to encourage the safe use of products, to prevent damage to properties, and to prevent any
danger to the operator and to others, important warnings are placed on the products and inserted in
the instruction manuals.
We suggest that everyone understand the meaning of the following displays and icons before
reading the “Safety Cautions” and text.
• Injury refers to hurt, burn, electric shock, etc.
• Physical damage refers to damage to equipment and structure or furnishings.
Display Meaning
WARNING
Ignoring or disregard of this display may lead to death or serious injury.
CAUTION
Ignoring or disregard of this display may lead to personal injury or physical damage
to the instrument.
3
Safety Cautions
WARNING
There is a risk of fire, electric shock or physical harm if you attempt to disassemble or repair the instrument
yourself.
This is to be carried out by TOPCON or an authorized dealer, only!
Laser beam can be dangerous, and can cause eye injury if used incorrectly.
Never attempt to repair the instrument yourself.
Cause eye injury or blindness.
Do not stare into beam or view directly with optical instruments.
Risk of fire or electric shock.
Do not use a wet battery.
May ignite explosively.
Never use an instrument near flammable gas or liquid matter, and do not use in a coal mine.
Battery can cause explosion or injury.
Do not dispose in fire or heat.
The short circuit of a battery can cause a fire.
Do not short circuit battery when storing it.
4
CAUTION
Use of controls or adjustment or performance of procedures other than those specified herein may result in
hazardous radiation exposure.
Let the laser beam reach the aimed object or the target without anybody else in the laser beam path. When
operating in an open area, avoid radiating laser beam at eye level. It is quite possible for the beam to enter into
one’s eyes, and it is possible to lose visual sight temporarily, and lose one’s caution and awareness of other
dangers - avoid glaring beam.
Do not allow skin or clothing to come into contact with acid from the batteries, if this does occur then wash off
with copious amounts of water and seek medical advice.
Risk of injury by dropping the instrument or case.
Do not use a carrying case with damaged belts, grips or latches.
It could be dangerous if the instrument falls over, please check that you fix the instrument to the wallmount or
tripod.
Risk of injury by dropping a tripod and an instrument.
Always check that the screws of tripod are tightened.
Please note that the tips of tripod can be hazardous, be aware of this when setting up or carrying the tripod.
5
User
Wear the required protectors (safety shoes, helmet, etc.) when operating.
Exceptions from Responsibility
1) The user of this product is expected to follow all operating instructions and make periodic checks
of the product’s performance.
2) The manufacturer, or its representatives, assumes no responsibility for results of a faulty or
intentional usage or misuse including any direct, indirect, consequential damage, and loss of
profits.
3) The manufacturer, or its representatives, assumes no responsibility for consequential damage,
and loss of profits by any disaster, (an earthquake, a fire, an accident, storms, floods, an act of a
third party and/or a usage other than under normal conditions.)
4) The manufacturer, or its representatives, assumes no responsibility for any damage, or loss of
profits due to a change of data, loss of data, an interruption of business etc., caused by using the
product or an unusable product.
5) The manufacturer, or its representatives, assumes no responsibility for any damage, or loss of
profits caused by usage other than those usages explained in the user manual.
6) The manufacturer, or its representatives, assumes no responsibility for damage caused by wrong
movement, or action due to connecting with other products.
6
Laser Safety
This product projects a visible laser beam during operation. This product is manufactured and sold
in accordance with “Performance Standards for Light-Emitting Products” (FDA/BRH 21 CFR 1040)
or “Radiation Safety of Laser Products, Equipment Classification, Requirements and User’s Guide”
(IEC Publication 60825-1) provided on the safety standards for laser beam.
As per the said standard, RL-VH4DR/G2 standard model is classified as “Class 3R (IIIa) Laser
Products”. These are simple products to operate and do not require training from a laser safety
officer. In case of any failure, do not disassemble the instrument. Contact TOPCON or your
TOPCON dealer.
Labels
AVOID EXPOSUR E
LASER LIGHT IS EMITTED
FROM THIS APERTURE
RL-VH4DR/G2 standard model
Beam aperture
Beam aperture
7
Contents
Foreword .......................................................................................................................... 1
Handling Precautions................................................................................................. 1
Safety Information...................................................................................................... 2
Safety Cautions ......................................................................................................... 3
User ........................................................................................................................... 5
Exceptions from Responsibility.................................................................................. 5
Laser Safety............................................................................................................... 6
Contents .................................................................................................................... 7
Standard System Components.................................................................................. 9
Nomenclature and Functions ......................................................................................... 10
Preparation for Use ........................................................................................................ 12
Battery Installation ................................................................................................... 12
Instrument Set-up Procedure................................................................................... 12
Operation .......................................................................................................................14
Scanning Mode........................................................................................................ 14
Continuous scan ...................................................................................................... 15
Plumb Beam Mode .................................................................................................. 16
Level Sensor Mode.................................................................................................. 17
Laser Pointing Mode (stop)...................................................................................... 17
Changing rotation speed.......................................................................................... 17
How to Remove/Install Head Protector .......................................................................... 18
Height Alert function ................................................................................................ 20
Setting Slopes.......................................................................................................... 21
RC-40 Remote Controller............................................................................................... 24
8
Nomenclature .......................................................................................................... 24
Description of RC-40 functions and Error ................................................................ 25
How to set remote controller communication channel ............................................. 27
Maintaining Power Sources ........................................................................................... 28
Replacing dry batteries ............................................................................................ 28
Checking and Adjusting ................................................................................................. 29
Horizontal Calibration .............................................................................................. 30
Horizontal Rotation Cone Error................................................................................ 34
Vertical Calibration................................................................................................... 35
Standard / Optional Accessories.................................................................................... 39
Storage Precautions....................................................................................................... 45
How to Store .................................................................................................................. 46
Specifications ................................................................................................................. 47
Error Code......................................................................................................................51
9
Standard System Components
1 RL-VH4DR/G2 Instrument.................................................... 1pc.
2 Remote Controller RC-40 ..................................................... 1pc.
3 Battery unit
*1)
........................................................................1set
4 AA size dry cell battery
*2)
.....................................................2pcs.
5 Carrying case .......................................................................1pc.
6 Calibration decals .................................................................1set
7 Instruction manual ................................................................1vol.
• Please make sure that all of the above items are in the box when you unpack.
• Additional Magnetic Scanning Targets may be included in some markets.
• Optional Accessories (see page 39-page 44) may be included in some markets.
*1) The following are battery configurations. Included battery configurations vary by package.
*2) Batteries included in the package are to confirm the initial operation.
Please replace the batteries provided with new batteries as soon as possible.
Rechargeable battery type:
(with Built-in Run/Charge system)
Rechargeable battery (BT-63Q)...... 1pc.
Holder (DB-70C)............................. 1pc.
AC/DC converter (AD-13) ............... 1pc.
Dry battery type:
Holder (DB-70) ................................1pc.
D size dry cell battery.................... 4pcs.
10
Nomenclature and Functions
RL-VH4DR/G2
Handle
Lock button
Lines may appear on the reflector strips.
They are part of normal manufacturing
process and do not effect performance.
Head protector
Laser emitting window
Beam aperture
Control panel
Leveling screw
Battery holder
Battery compartment lock
Rotary head
Magnetic Scanning Target
Magnet
Datum line
Index
Index
Reflectors
The blue target is for RL-VH4G2 and
the red target is for RL-VH4DR.
11
Control Panel
Head rotates slowly, searching
for Magnetic Scanning Target.
When target is placed in beam
path, laser rapidly scans back
and forth on target.
Level sensor mode
Head rotates at 300 rpm. Use
this setting when using an
optional electronic level sensor
such as the Topcon LS-80B/G.
Head stops rotating and the
beam can be positioned by
manually turning the head.
Select X or Y axis for
manual beam sloping.
ON: Manual leveling mode
OFF: Auto-leveling mode
ON/OFF of Auto-leveling. To turn off the auto-leveling,
press this key twice. To turn on the auto-leveling again,
press this key once.
Flashing: Laser is leveling
On: Auto-leveling is completed (RL-VH4DR/G2
remote controller model has standby mode)
Laser mode is switched
alternately as follows.
With ‘Laser
Pointing Mode’
selected, the
rotation speed of
the head can be
changed.
Alignment
control
Level vial
For vertical
operation
(RL-VH4G2)
The laser output is not stable for several minutes when the power is on or the mode of laser is changed.
After the beam is stabilized (display does not show WAIT), the mode can be changed.
X/Y axis lamp
X/Y axis selection
Leveling lamp
Power switch
Mode switch control
Scan mode
Level sensor mode
Laser pointing mode
Speed control
Auto/manual leveling control
Manual mode lamp
Plumb beam
Low battery alert
12
Preparation for Use
Battery Installation
For battery placement or replacement instructions, see Maintaining Power Sources section,
page 28.
Instrument Set-up Procedure
Horizontal Rotation
1
Set the instrument on any smooth surface that is
within ±5° of true level. The RL-VH4DR/G2 auto-level
system will not function if the unit is placed more that
5° out of level. For best operation, it is recommended
that it be mounted to a tripod or the Topcon Wall
Mount Model 1D.
Slope can be set in both axes, X and Y. See “Setting
Slopes” section, page 21.
Horizontal
Leveling range
13
Vertical Rotation
1
Place the instrument on its back as shown in the illustration.
2
Turn the leveling screw (s) underneath the instrument until the
bubble in the level vial on the operational panel is centered.
Battery Warning Lamp
Flashing : The power is low
ON Solid : Dead batteries
Replace the batteries with new ones.
Auto-leveling Lamp
Flashing : Auto-leveling is in process. When automatic leveling is almost complete, the flashing
rate will be slow. The head will not rotate and the laser beam will not emit during the
auto-leveling process.
ON Solid : Auto-leveling is complete.
The rotary head is active and emits the laser beam.
Turning Auto-leveling Off
To turn OFF the auto-leveling function (manual mode), press the Auto/Manual control key twice
in quick succession. The manual mode lamp will illuminate. The instrument can be positioned in
any direction, the laser beam remains on and the head will rotate.
IMPORTANT:
In manual mode, the laser beam will not shut off if disturbed! To return to Auto-leveling mode,
press Auto/Manual control key once.
Level vial
Leveling screw
14
Operation
Scanning Mode
In scan mode, the laser rotates slowly, “searching” for the Magnetic Scanning Target. When the
target is properly placed in the beam path, the laser beam will scan rapidly back and forth on the
target and “track” the target as it is moved in its path.
1
To change to scanning mode when operating, press the mode switch control key (see
page 11).
2
To initiate target scanning, place the Magnetic Scanning Target in the beam path with the
reflective strips facing toward the laser.
3
To end target scanning and resume searching beam, remove target from beam path.
Face the target toward the instrument to start scanning.Set scanning mode
Horizontal rotation
Vertical rotation
15
Continuous scan
(Scan line length can be “Drawn” and held for “Hands-free” operation)
Place target in beam path and hold for a moment. The scanning beam will hesitate, then start again.
When the target is now removed the beam will continue to scan automatically.
To change the length of the scanning line, move the target left or right after the initial scan
hesitation and the scanning line length will increase until the target is removed.
To cancel the drawn scan mode:
In the drawn scan mode, release the target from the laser beam path for 2 seconds or longer and
then place the target on the laser beam path once again.
Scanning hesitates
and starts again.
Move the target left or right while
scanning, the scanning line will
lengthen. The “drawn” line will
continue to scan without target for
hands-free scan operation.
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