5
2. PRECAUTIONS
Examples of malfunctions:
• The display shows [
] even though the location is not a datum position.
• Errors occur for the datum position.
• The display does not show [
] even though the location is a datum position.
• Be sure that the laser emitting window of this instrument, and the beam receiving window of the level sensor
are free from dirt (oil, water droplets, etc.). The measurement result may be in error if these windows are dirty.
User
• Wear the required protectors (safety shoes, helmet, etc.) when operating.
Maintenance
• Wipe off moisture completely if the instrument gets wet during survey work.
• Wipe away stain or dirt with soft cloth after dusting.
• Clean storage case using cloth moistened with neutral detergent or water. Do not use ether, benzene, thinner
or other solvents.
• To clean the instrument or the carrying case, lightly moisten a soft cloth in a mild detergent solution. Wring
out excess water until the cloth is slightly damp, then carefully wipe the surface of the unit. Do not use any
alkaline cleaning solutions, alcohol, or any other organic solvents on the instrument or display.
• When removing the instrument from the carrying case, never pull it out by force. The empty carrying case
should be closed to protect it from moisture.
• Check the tripod for loose fit and loose screws.
• Check the instrument for proper adjustment periodically to maintain the instrument accuracy.
Bluetooth
Wireless Technology
•
Bluetooth
function may not be built in depending on telecommunications regulations of the country or the area
where the instrument is purchased. Contact your local dealer for the details.
• Use of this technology must be authorized according to telecommunications regulations of the country where
the instrument is being used. Contact your local dealer in advance.
• TOPCON CORPORATION is not liable for the content of any transmission nor any content related thereto.
When communicating important data, run tests beforehand to ascertain that communication is operating
normally.
• Do not divulge the content of any transmission to any third party.
Radio interference when using
Bluetooth
technology
Bluetooth
communication with the RL-HV uses the 2.4 GHz frequency band. This is the same band used
by the devices described below. As a result, using the RL-HV within proximity to the above devices may
result in interference causing communication failure or reduction of transmission speed.
• Industrial, scientific, and medical (ISM) equipment such as microwaves and pacemakers.
• portable premises radio equipment (license required) used in factory production lines etc.
• portable specified low-power radio equipment (license-exempt)
• IEEE802.11b/IEEE802.11g/IEEE802.11n/IEEE802.11ax standard wireless LAN devices
Although a radio station license is not required for this instrument, bear in mind the following points when
using
Bluetooth
technology for communication.