To avoid fire and personal injury :
supercedes all other previous warranties, whether express or
implied. Tenma and its dealers will not make any implied
Use a correct power cable : Use only the specified power cable which
guarantee on the salability or suitability of this product for any specific
is authorized in the country of use.
purpose. In the event of breach of warranty terms and conditions, repair
Remove the plug correctly : Do not remove the probe or testing cable
or replacement of the defective product shall be the only remedial
when they are connected to power.
measure offered by Tenma. Notwithstanding any prior notification of
Ensure good grounding : This unit is grounded by the ground wire of
potential damage that is indirect, special, consequential or inevitable,
the power cable. To avoid electric shock, the grounding conductor must
Tenma and its dealers shall bear no liability for any such damage.
touch the ground. Before connecting the input or output terminal,
ensure the unit is properly grounded.
Safety Instructions
Connect the probe of the digital storage oscilloscope : The probe
This unit is designed and manufactured strictly in accordance with
ground cable is the same as ground potential. Do not connect the
GB4793 safety requirements for electronic testing meters and
ground cable to non ground voltage or high voltage.
IEC61010-1 safety standards. It fully meets CAT II 600V insulation and
Check the rated values of all terminals : To prevent fire and
overvoltage requirements and Grade II anti-pollution safety standards.
excessive current shock, please check all rated values and label data.
To prevent personal injuries and damage of this unit or any other
Read the manual carefully and check the rated values before
devices connected to it, please take note of the following safety
connecting the unit.
precautions. To avoid potential hazards, use this unit strictly as
instructed by this User Manual.
Do not operate the unit with the chassis cover open : Do not operate
this unit when the outer cover or front panel is open.
Maintenance should only be carried out by a trained professional.
This warranty is made available to this product specifically and
DSO Series User Manual
3
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