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User Manual
A1500
AC Power Source
How to set Couple as AC+DC Mode:
1. Move cursor to Couple
2. Rotate knob to change <OFF>to <TRIG>, press
3.6.4 Inhibit Output by Remote Control Signal（Remote Inhibit）
Remote Inhibit is a｢Active HIGH｣ TTL signal, high level is 5V, low level is 0V. Its signals
send to 9 pin TTL signal connector (D-SUB) at back panel of the AC source. Please refer
appendix A for pin assignment.
After Remote Inhibit initialized, output control priorities for AC source are as below:
• When both front panel and remote control are idle, output of A1500 SERIES is according
to external TTL ON/OFF signal.
• When user press ｢OUT｣ from front panel or by remote control, TTL signal has no effect on
the operation.
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Front panel
> TTL signal
Remote Control
to confirm change
Enter
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