20
！
■
Long press on Power button
“ ”
for 8 seconds under any
circumstances will cause forced shutdown.
■
When the battery voltage status turns to
o r d i s p l a y
brightness is relatively dim, please charge the battery in time.
Charging is available in both power-on and off mode. When the
battery is being charged, the LED will light on until the charging
process is finished.
“
”
功能检查
●
When you get a new DS202 oscilloscope, you are advised to
inspect the product by the following steps.
●
Inspect damages caused by shipping.
If the packaging carton or the protection pad is seriously damaged,
keep the package until the oscilloscope & accessories pass the
electrical and the mechanical test.
●
Inspect the product.
Please contact the company if the following problems occur: 1)
product surface is damaged, 2) product doesn't work properly, 3)
product does not pass performance test.
If the damage is resulted from shipping, please keep the package
and contact the company for repair or exchange.
●
Make a quick inspection of functions to ensure the device is working
soundly. Please perform following steps:
●
Turn on power and access the homepage of the mini oscilloscope.
●
Connect the oscilloscope with standard signals (e.g. square wave
20KHz
，
Vpp=5V), set the switch on probe tip as 1X, plug
oscilloscope probe to the Input Channal.Check whether the
measured signal value is the same as the standard value; it can be
calibrated if the margin is small.
常规检查
Product Inspection
Instruction on battery
Chapter 5
