How To Implement The General Inspection - Owon HDS272S User Manual

refers to the level. Level II is the low voltage and high energy level, which
refers to the local electrical level applicable to electrical appliances and
portable equipment.
◼ Only a qualified person should perform internal maintenance.
◼ Check all Terminal Ratings. To avoid fire or shock hazard, check all
ratings and markings on this product. Refer to the user manual for more
information about ratings before connecting to the instrument.
◼ Do not operate without covers. Do not operate the instrument with
covers or panels removed.
◼ Avoid exposed circuit. Be careful when working on exposed circuitry to
avoid risk of electric shock or other injury.
◼ Do not operate if any damage. If you suspect damage to the instrument,
have it inspected by qualified service personnel before further use.
◼ Do not operate in damp conditions.
◼ Do not operate in an explosive atmosphere.
◼ Keep product surfaces clean and dry.
◼ Using the equipment not in accordance with the method specified
by the manufacturer may damage the protection provided by the
equipment.

2. How to Implement the General Inspection

After you get a new oscilloscope, it is recommended that you should
make a check on the instrument according to the following steps:
1. Check whether there is any damage caused by transportation.
If it is found that the packaging carton or the foamed plastic protection
cushion has suffered serious damage, do not throw it away first till the
complete device and its accessories succeed in the electrical and
mechanical property tests.
2. Check the Accessories
The supplied accessories have been already described in the "
List of Accessories
of accessories with reference to this description. If it is found that there is
any accessory lost or damaged, please get in touch with our distributor
responsible for this service or our local offices.
3. Check the Complete Instrument
If it is found that there is damage to the appearance of the instrument, or the
" of this Manual. You can check whether there is any loss
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