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1. Introduction 
1.1. General Inspection 
Please check the instrument as following steps after receiving an oscilloscope: 
Check the shipping container for damage: 
Keep the damaged shipping container or cushioning material until the contents of the shipment have 
been checked for completeness and the instrument has been checked mechanically and electrically. 
Check the accessories: 
Accessories supplied with the instrument are listed in "Accessories" in this manual. If the contents are 
incomplete or damaged, please notify the franchiser. 
Check the instrument: 
In case there is any mechanical damage or defect, or the instrument does not operate properly or fails 
performance tests, please notify the franchiser. 
1.2. Prepare Instrument for Use 
Adjust the Supporting Legs 
Adjust the supporting legs properly to use them as stands to tilt the oscilloscope upwards for stable 
placement of the oscilloscope as well as better operation and observation. 
Connect the Power Cord 
Connect the power cord as desired.   
This oscilloscope can accept 100-240 V, 45-440 Hz AC power supply. Please use the power cord supplied 
with the accessories to connect the oscilloscope to the power source as shown in the figure below. 
Turn  the instrument on by  pressing the power switch  in  the lower  left  corner  of front panel. If  the 
instrument does not turn on, verify that the power cord is firmly connected. Also make sure that the 
instrument is connected to an energized power source.   
Power Switch: 
 
To turn off the instrument, please press power switch. 
1.3. Brief Introduction of Front Panel 
The content below simply describes and introduces the front panel and the back part of this series of