Programable DC Electronic Load User Manual
50
handshake with the measured object:
During the handshake/operating process, the indicator at the top right of the screen is
red, otherwise it is white.
If the handshake is successful, the status will be displayed as [OK], as shown in the
upper right corner of Figure 5-3, otherwise it will be displayed as [Err].
Figure 5-3 <QC4.0> Setting and Display Interface
QC4.0 test interface setting steps:
1. After entering the setting interface, press the soft key [Setting Switch] to switch the
selected box to carry out load setting or fast charge setting.
2. If users select the left box, they can input the load value with the keyboard, press the
Enter key to confirm the input value, and then press the ON button on the
panel. The system will load according to the initial voltage on the screen and the input
load value. It is also possible not to load immediately, and to load after performing
step 3.
3. Select the box on the right through [Setting Switch] to set the parameters of the fast
charge test. There are two ways: single point test and step test.
Single point test can set a voltage of 3.60V/5.00V/6.00V/9.00V. Use the knob and
up/down keys to select the voltage to be triggered, and press the enter key to
trigger. If the trigger is successful, the voltage display value will change accordingly,
and then press the ON button on the panel to load. If the load is successful, the ON
button indicator light will be green, the correct voltage and load value will be
displayed on the screen, and the OK symbol will be displayed at the upper right of the
screen, as shown in Figure 5-3, which is the interface after the successful
5.00V/1.000A load. If Err appears on the upper right of the screen during the loading
process, users need to check whether the loaded value and the test parameter value
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