- 20 - New HC Series User Manual
one or more sending box to receive and feed the source to it.
4.4 Power-on test
After the cabinet connection is completed, please use a multimeter to measure whether there is
short circuit at the AC input (L/N/PE) and DC output (VCC/GND) of the power supply. If a short
circuit is found, please check the circuit carefully. After ensuring the cable is normal, switch on the
power to electrify the cabinets to work.
Note: Please refer to the software user manual for software operation.
5. Maintenance
5.1 Preparation Tools
Preparation tools include: module front service tool, cross screwdriver, multimeter, etc.
Installation and removal HUB,
receiving card, power supply
5.2 Maintenance Instructions
5.2.1 Module Maintenance
Put the front service tool onto the surface of the module, then press the button of the tool to
suck out the module, hold the module by hand and release the button.
Take HC1.2 Pro Ⅱ as an example（HC0.7 Pro Ⅱ and HC0.9 Pro Ⅱ are designed with small size
PCB, which requires the use of a dedicated small PCB module maintenance tool）:
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