3
IV Operation Precautions
▌
Temperature
：
Working condition
：
+0
℃
to +500
℃
Non-working condition
：
-20
℃
to +60
℃：
▌
Humidity
：
Working condition
：
High temperature
：
40°C - 50°C
，
0%-60%RH
Working condition
：
Low temperature
：
0°C - 40°C
，
10%-90%RH
Non-working condition
：
High temperature
：
40°C- 60°C
，
5%-60%RH
Non-working condition
：
Low temperature
：
0°C - 40°C
，
5%-90%RH
V General Inspection
When you get a new DSO Nano, it’s suggested to inspect the product by the following steps:
1
．
Inspect for damage caused by shipping.
If the carton/plastic protection pad is seriously damaged, please keep the package until the product and
accessories pass the inspection electrically and mechanically.
2
．
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 transportation department/
RIGOL distributor who is in charge of this service, for repair or exchange.
VI Functional Inspection
Make a quick functional inspection to ensure the product is working soundly. Please perform following steps:
1
．
Turn on the power supply, access homepage of the oscilloscope.
2
．
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 jack.
Check whether the measured signal value is the same as the standard value; it can be calibrated if the
margin is small.
VII Battery Recharging Instruction
When the battery sign shows as “
”, or when the display is dim, please recharge in time. The product can
be power on or off while recharging.
VIII Firmware Upgrade
To upgrade firmware, please perform following steps:
1. Open web to access
www.minidso.com
, download the latest applicable firmware to your PC.
2. Simultaneously press “
▼
” of DSO Nano and turn on power supply, enter DFU firmware upgrade mode.
3. Use USB to connect DSO Nano to your PC, a removable disk named DFU V3_26_D will appear on
your PC. Copy the hex firmware to the root directory of your disk. After the extension of the firmware
changes from “hex” to “rdy”, restart DSO Nano, thus firmware is upgraded.
Here we upgrade firmware to the
latest Version 201V4_22.
