Service Manual
UPO1000X Series
Instruments.uni-trend.com
6 / 31
To avoid electric shock
Do not touch exposed connections.
Do not service alone
Do not perform internal service or adjustments of this product unless another
person capable of rendering first aid and resuscitation is present.
Disconnect power
To avoid electric shock, switch off the product power and disconnect the power
cord from the mains power before removing any covers or panels, or opening the
case for servicing.
Use care when servicing with
power on
Dangerous voltages or currents may exist in this product. Disconnect power,
remove battery (if applicable), and disconnect test leads before removing
protective panels, soldering, or replacing components.
Verify safety after repair
Always recheck ground continuity and mains dielectric strength after performing
a repair.
Terms in the manual
These terms may appear in this manual:
Warning: Warning statements identify conditions or practices that could result in injury or loss of life.
Caution: Caution statements identify conditions or practices that could result in damage to this product or
other property.
Symbols on the product
These terms may appear on the product:
DANGER indicates an injury hazard immediately accessible as you read the marking.
WARNING indicates an injury hazard not immediately accessible as you read the marking.
CAUTION indicates a hazard to property including the product.
When this symbol is marked on the product, be sure to consult the manual to find out the nature of the
potential hazards and any actions which have to be taken to avoid them. (This symbol may also be used to
refer the user to ratings in the manual.)
