Velleman Personal Scope HPS5, Руководство пользователя

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PersonalScope
TM
TROUBLESHOOTING
The screen remains blank or there is no signal :
•
No power supply
•
Batteries are discharged
•
Contrast adjustment is incorrect
•
Press RESET for at least 10 seconds
REMARK: Temporarily remove both batteries and adapter
in case RESET is not yet operational.
RMS readout is incorrect :
•
Make sure that at least 1 and preferably even 2 periods
are displayed.
•
The batteries are discharged.
No signal on the oscilloscope display :
•
Time/div setting is in the wrong position. Try 1ms or
choose auto-setup mode.
•
The unit is in the Hold position
•
Trigger function is set in the “once” position
•
The programmed trigger level is not reached (choose
“run” mode)
•
Y position is wrong
•
The input signal is too high, change the volt/div. setting
or choose auto-setup.
Incorrect frequency readout:
•
An incorrect time/div. setting has been chosen. (start at
2µs)
Voltage readout does not correspond with the
actual value :
•
The measuring probe is in the X10 position
•
The batteries are discharged
•
The zero refrence is not set correctly for DC measure-
ments.
•
Take into account that the RMS readout only measures
the AC voltage
WARRANTY
This product carries a one-year warranty as far as the craftsmanship and
possible flaws in the materials are concerned. The warranty expires
ONE
YEAR after the date of purchase.
The warranty will only apply if the unit is wrapped in the original packing
material and either presented to VELLEMAN-KIT N.V or to an official
distributor together with a copy of the original purchasing document.
VELLEMAN-KIT N.V. is under the obligation to repair defects and
flaws, but is free to either replace or repair defective parts.
The warranty does not apply to software, fuses, measuring probes and
batteries. VELLEMAN-KIT N.V will not be held responsible for any flaw
or defect which the company feels is due to negligence on behalf of the
user, to modification or opening of the unit, or to accidents or abnormal
use or treatment of the product.
VELLEMAN-KIT N.V will not reimburse the transport costs or risks, the
costs for removing and replacing the product or any other costs that are
directly or indirectly related to the defect. VELLEMAN-KIT N.V. accepts
no liability for whatever damages may be caused by a malfunctioning
product.
TROUBLESHOOTING