User Manual

2
Operating Precautions
CAUTION
■ Precautions on use
• Do not disassemble or modify this unit. Doing so may lead to product fail-
ure.
• This unit is a precision instrument. Dropping the unit or subjecting it to
shock may cause damage. Take enough care when carrying or using this
unit.
• Locate cables as far as possible from high-voltage lines and power lines.
Otherwise, generated noise may cause product failure or operation error.
• Do not hold the unit by its cable when carrying. The HR-51 may strike the
wall and may be damaged. Also due to the stress on the cables, the wires
may be broken.
• Be sure to use the supplied AC adaptor or optional AC adaptor for HR-
UC51. Using other AC adaptors than these may result in fire, electric shock
or product failures.
• Be sure to periodically clean the power connection part of AC adaptor con-
nected to HR-UC51 as it tends to catch dust. Tracking phenomenon may
result in fire. Also, disconnect the AC adaptor from the outlet if not using a
long period of time.
• When recharging HR-51 on HR-UC51, be sure to check no foreign objects
are attached to the recharge terminal. Foreign objects may cause fire.
■ Environments for use
Do not use in the following locations. Product failure or mechanical error may
occur.
• Locations where the ambient temperature is beyond specified range
• Locations where the ambient humidity is beyond specified range
• Locations where the unit is exposed to direct sunlight
• High-temperature locations such as inside a closed car
• Locations where condensation occurs due to the rapid humidity change
• Locations where there are corrosive gas or combustible gas
• Locations where there is a large amount of airborne dust, salt, iron, and
greasy fumes
• Locations where the unit may be directly subjected to vibration or impact
• Locations where water, oil or chemicals may splash onto the unit
• Locations where a strong magnetic or electric field is generated