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How to use a Construction Laser Level:

Automatic Self Levelling Construction Laser 

 
How to use Construction Laser Leica Rugby 820
  
The Rugby 820 is a laser tool for general construction and levelling applications such as:

 

Setting forms

Checking grades

Controlling depths for excavations

 

If set up within the self-levelling range, the Rugby automatically levels to create an accurate horizontal plane of laser light.

 

Once the Rugby has levelled, the head will start rotating and the Rugby is ready for use.

 

30 seconds after the Rugby has completed the levelling, the H.I. Alert system becomes active and protects the Rugby against changes in elevation caused by movement of the tripod to ensure accurate work.

 

Setup

 

Location

 

Keep the location clear of possible obstructions that could block or reflect the laser beam.

Place the Rugby on a stable ground. Ground vibration and extremely windy conditions can affect the operation of the Rugby.

When working in a very dusty environment place the Rugby up-wind so the dirt is blown away from the laser.

 

Setting up on a Tripod

 

Step

Description

1

Set up the Tripod

2

Place the Rugby on the tripod

3

Tighten the screw on the underside of the tripod to secure the rugby on the tripod.

 

Attach the Rugby securely to a tripod or laser trailer, or mount on a stable level surface.

Always check the tripod or laser trailer before attaching the Rugby. Make sure all screws, bolts and nuts are tight.

If a tripod has chains, they should be slightly loose to allow for thermal expansion during the day.

Secure the tripod on extremely windy days.

 

Operation

 

Button

Function

Up and Down Arrow

Press to enter a slope for an axis in Manual Mode.

Power

Press to turn on or off the Rugby

Automatic/Manual Mode

Press once to change the X-axis to Manual Mode with Y-axis self levelling.

Press again to change the Y-axis to Manual Mode with X-axis self levelling.

Press again to change both axes to Manual Mode with no self levelling.

Press again to change back to Full Automatic Mode.

Note the changes in the LED indicators in the Manual Modes. The red LED indicates that the corresponding axis is in Manual Mode.

 

LED Indicators

 

The LED Indicators have three main functions:

 

To indicate the level status of the axes.

To indicate the battery status.

To indicate an H.I. Alert condition.

 

If the

Is/are

Then

Low Battery Indicator

LED (Li-Ion)

Off

the battery is okay.

 

flashing slowly

the battery has ≤ 10% (4 h) power remaining.

 

flashing quickly

the battery has ≤ 5% (2 h) power remaining.

 

red

the battery cannot power the Rugby. Charge the battery.

Low Battery Indicator

LED (alkaline)

Off

the battery is okay.

 

flashing slowly

the battery is getting low.

 

flashing rapidly

the battery needs to be changed.

X-axis and Y-axis

Indicator LEDs

Green

the axis is level.

 

flashing green

the axis is levelling.

 

Red

the axis is in Manual Mode.

 

both flashing red

an H.I. Alert is indicated.

 

Turning on and off the Rugby

 

Press the Power button to turn on or off the Rugby.

 

After turning on:

 

If set up within the 6° self-levelling range, the Rugby automatically levels to create

an accurate horizontal plane of laser light.

Once levelled, the head starts rotating and Rugby is ready for use.

After 30 seconds of completing the levelling, the H.I. Alert system becomes active

to protect the laser against changes in elevation caused by movement or settling

of the tripod.

The self-levelling system and H.I. Alert function continues to monitor the position

of the laser beam to ensure consistent and accurate work.

 

Automatic Mode

 

The Rugby always starts up in Automatic Mode. In Automatic Mode the Rugby automatically levels if set up within the 6° self-levelling range.

 

Manual Mode

 

After start-up the Manual Mode can be activated. In Manual Mode the self-levelling will

be deactivated.

 

The following options are available:

 

Change the X-axis to Manual Mode

Change the Y-axis to Manual Mode

Change to Full Manual Mode

 

After turning the Rugby off and on again, the Rugby is in Automatic Mode.

 

Changing the X-axis to Manual Mode

 

After startup, press the Automatic/Manual Mode Button once to change the X-axis to

Manual Mode. The X-axis and Y-axis are marked on the top of the Rugby.

 

The X-axis does not self-level and a slope can be entered in this axis using the Up and Down Arrow buttons on the Rugby.

The X-axis LED is red.

The Y-axis continues to self-level and the Y-axis LED flashes green until level.

 

When the X-axis is in Manual Mode, the X-axis can be sloped upwards or downwards as illustrated.

 

Changing the Y-axis to Manual Mode

 

Press the Automatic/Manual Mode button again to change the Y-axis to Manual Mode. The X-axis and Y-axis are marked on the top of the Rugby.

 

The Y-axis does not self-level and a slope can be entered in this axis using the Up and Down Arrow buttons on the Rugby.

The Y-axis LED is red.

The X-axis continues to self-level and the X-axis

LED flashes green until level.

 

When the Y-axis is in Manual Mode, the Y-axis can be sloped upwards or downwards as illustrated.

 

Changing to Full Manual Mode

 

Press the Automatic/Manual Mode button again to change to Full Manual Mode. The X and Y axes are marked on the top of the Rugby.

 

Both the X-axis and Y-axis do not self-level and a slope can be entered in the X-axis

using the Up and Down Arrow buttons on the Rugby.

The X-axis LED is red.

The Y-axis LED is red.

 

When both the X-axis and Y-axis are in Manual Mode, the X-axis can be sloped using the Up and Down Arrow buttons.

 

Applications - Rugby 820 and the Rod Eye 180 Digital RF receiver

 

The Rugby 820 and the Rod Eye 180, Digital Receiver RF, contain radio devices which allow for special features when used together.

 

Smart Target (Automatic Slope Catching)

 

Step

Description

1

Set up the Rugby 820 at the base of a slope with the X-axis pointing in the direction of the slope.

2

At the base of the slope, adjust the height of the receiver on the rod until the on-grade (centre-line) position is indicated on the receiver by:

- the centre bar

- the green flashing LED

- a solid audio tone

- the digital display

3

Move to the top of the slope and press the laser man button for 1.5 seconds to start the smart targeting process. The receiver shows SMT, then XSC for X-axis slope catching.

4

The Rugby 820 searches for the receiver until the on-grade position is found. Once the on-grade position, the receiver will flash all three LEDs simultaneously one time and the receiver returns to normal operation.

5

After this signal the receiver can be moved and used as normal. The sloped axis is in Manual mode and should be checked from time to time to ensure the Rugby 820 has not moved.

 

Smart Target Lock (Slope Lock/Monitoring)

 

Step

Description

1

Set up the Rugby 820 at the base of a slope with the X-axis pointing in the direction of the slope.

2

At the base of the slope, adjust the height of the Rod Eye 180 Digital Receiver RF on the rod until the on-grade (centre-line) position is indicated on the receiver by:

- the centre bar

- the green flashing LED

- a solid audio tone

- the digital display

3

Move to the top of the slope and press the laser man button for 5 seconds to start the smart target and lock process. The receiver will show SMT, then XSL during the X-axis slope lock process.

4

The Rugby 820 searches for the receiver until the on-grade position is found.

Once the on-grade position is found, the receiver will flash all three LEDs simultaneously

one time and the receiver returns to normal operation. The display will show LOC while the receiver is in lock mode. To turn off lock mode on the receiver, hold the power button for

1.5 seconds.

 

Batteries

 

The Rugby 820 can be purchased with alkaline batteries or a

rechargeable Li-Ion battery pack. The following information is appropriate only to the model you have purchased.

 

Charging / first-time use

 

The battery must be charged prior to using it for the first time because it is delivered

with an energy content as low as possible.

The permissible temperature range for charging is between 0°C to +40°C/ +32°F to

+104°F. For optimal charging, we recommend charging the batteries at a low

ambient temperature of +10°C to +20°C/+50°F to +68°F if possible.

It is normal for the battery to become warm during charging. Using the chargers

recommended by Leica Geosystems, it is not possible to charge the battery if the

temperature is too high.

For new batteries or batteries that have been stored for a long time

(> three months), it is effectual to make only one charge/discharge cycle.

For Li-Ion batteries, a single discharging and charging cycle is sufficient.

We recommend carrying out the process when the battery capacity indicated on

the charger or on a Leica Geosystems product deviates significantly from the actual

battery capacity available.

 

Operation/Discharging

 

The batteries can be operated from -20°C to +55°C/-4°F to +131°F.

Low operating temperatures reduce the capacity that can be drawn; high operating

temperatures reduce the service life of the battery.

 

Battery for Rugby

 

The rechargeable Li-Ion battery pack on the Rugby can be charged without removing the battery pack from the laser.

 

Step

Description

1

Slide the locking mechanism on the battery compartment to the very left to expose the charge jack.

2

Plug the AC connector into the appropriate AC power source.

3

Connect the charger plug into the charge jack on the Rugby battery pack.

4

The small LED next to the charge jack flashes indicating that the Rugby is

charging. The LED is on solid when the battery pack is fully charged.

5

When the battery pack is fully charged, disconnect the charger plug from the charge jack.

6

Slide the locking mechanism to the centre position to prevent dirt from getting into the charging jack.

 

The battery pack reaches a full charge in approximately 5 hours if completely empty. A one hour charge should allow the Rugby to run for a full eight hours.

 

Troubleshooting

 

Symptom

Possible causes and solutions

Low Battery LED flashes red, or is on but not flashing.

The batteries are low. Replace the alkaline batteries or recharge the Li-Ion battery pack. Refer to " Main Functions".

Elevation (H.I.) Alert

The LEDs flash quickly with an audio beep.

The Rugby has been bumped or tripod was moved. Turn off Rugby to stop alert check the height of the laser before beginning to work again. Allow Rugby to re-level and check the height of the laser. After two minutes in the alert condition, the unit will shut off automatically.

Servo Limit Alert

All LEDs flash sequentially.

The Rugby is tipped too far to reach a level position. Re-level the Rugby within the 6 degree self-levelling range. This alert will also be displayed any time the unit is tipped more than 45° from level. After two minutes in the alert condition, the unit will shut off automatically.

 

Problem

Possible Cause

Suggested Solution

The Rugby is working, but not self-levelling

The Rugby is in Manual Mode.

The Rugby must be in Automatic Mode to self-level. Set the Rugby to Automatic Mode by pressing the Automatic/Manual Mode button.

 

– In Automatic Mode the X-axis LED and the Y-axis LED flash green while levelling.

– In Manual Mode the X-axis LED and/or the Y-axis LED are red.

Rugby does not turn on.

The batteries are low or dead.

Check the batteries and change or charge the batteries if necessary. If the problem continues, return the Rugby to an authorised service centre for service.

The distance of the laser is reduced.

Dirt is reducing the laser output.

Clean the windows of the Rugby and the receiver. If the problem continues, return the Rugby to an authorised service centre for service.

The laser receiver is not working properly.

The Rugby is not rotating. It may be levelling or in Elevation Alert.

Check for proper operation of the Rugby.

The receiver is out of usable

range.

Move closer to the Rugby.

The batteries of the receiver are low.

Change the receiver batteries.

The Smart Target feature is not working.

The Rugby 820 and the receiver have not been paired and cannot communicate with each other.

Pair the Rugby 820 and the receiver. Refer to "4.4 Pairing the Rod Eye 180 with the Rugby 820" for more information.

Only the Rugby 820 contains a radio device and can be paired to the Rod Eye 180.

Elevation Alert function is not working.

The Elevation Alert function is disabled.

The Elevation Alert function is enabled or disabled by pressing the following button combination:

With Rugby turned on and rotating, press and hold the Up and Down Arrow buttons. Then press the Automatic/Manual Mode button to enable or disable the Elevation Alert function. The Rugby beeps once to indicate the change.

The Rugby does not switch to Manual Mode. The Rugby beeps three times when the Automatic/Manual Mode button is pressed and does not change to Manual Mode.

The Manual Mode is disabled.

The Manual Mode can be enabled or disabled by pressing the following button combination: With the Rugby turned off, press and hold both the Automatic/Manual Mode button and the Power button for 5 seconds. The Rugby will beep five times, then give a longer beep at the end to indicate the change.