HangZhou RuiDeng Technologies Co., Ltd
current (recommended value 1A) . Press and hold the ‘NEXT’ button to begin recording data. The
indicator prompt will stop flashing .
Second, unplug the USB Tester and then reconnect it to the power supply via the Micro
USB/Type-C IN data connection cable and adjust the load current to the same value as in the first
step. Press and hold the ‘NEXT’ button to begin recording data. The indicator prompt stops
flashing and the Data Connection Cable resistance measurement test is completed and the value
displayed.
Note: If during the second step the screen turns black, this indicates that the voltage difference is too high
and the tester will enter the 4V power-down state. The load current needs be reduced. Then re-start the
measurement from the first step. After the Data Connection Cable resistance test is completed, the Tester needs
to be powered off and then on again to resume measurement.
Press the ‘NEXT’ button to switch to the Measurement Graphing Interface.
1.6.5 Interface 5: Measurement Graphing Interface
This interface displays the voltage
measurement over time in the 4-24V
range and will automatically adjust the
displayed range in real time to account
for voltage fluctuations. And the current
measurement over time in the 0-5.000A
range and will automatically adjust the
display range in real time to account for current fluctuations.
Press and hold “NEXT” to switch to D+D- graphing, as picture
This interface displays the D+ /D-
voltage measurement over time in the
0-3.3V range and will automatically
adjust the displayed range in real time to
account for D+/D- voltage fluctuations.
Press the ‘NEXT’ button to switch to
the system parameter setting interface.
1.6.6 Interface 6: System Parameter Setting Interface
AI：Auto screen off time
AJ：Screen brightness
AK：Temperature display C /F
AL：Theme background color
AM：Theme foreground color
Press and hold the "Next" button
to enter into setting state, press
“NEXT” button to step through the options of auto screen off time, brightness level, temperature
display units,
theme background color and theme foreground color. Stop on the value you wish to
change then press the "PREV" button to change the setting.
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