CH9720 Programmable DC Electronic Load Instructions Chapter II Overview
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Order
Name
Description
1,2
Cooling vent
Do not block, keep well ventilated
3
Voltage switch
For 110V voltage and 220V voltage switching, please pay
attention to the correct choice
4
AC power input
includes fuse, size 1A (Customizable special voltage)
5
Remote test and
trigger input interface
See Appendix A for terminal pin configuration
6
RS232C serial
interface
The serial communication interface, parameter settings,
commands, etc. of the instrument and the external device
can be set and obtained by the computer to realize remote
control of the instrumentless panel.
2.5 Display area introduction
The LCD display is divided into relatively fixed areas to display specific
information for each page.
Order
Name
Description
1
Setting parameters
and status bar
Parameter setting with load and help hints in menu
setting
2
Main parameter display Display real-time voltage, current and power
3
Machine internal
temperature
Display the monitored internal temperature
4
Limit alarm
setting value
Set the high and low limit in normal test model, alarm
when over the limit, more details in 3.2.2
5
System icon display
Display system information by means of icon
U disk is available;
remote control
；
6
Clock display area
Display real-time clock, change the date and time in
system interface or turn off the display.
7
Load mode
Select load mode
2
1
3
4
5
6
7
