【 Weak current College 】 professional DJ equipment, how to install and connect?

All the device when the power is, you must first check the device's power supply is 110V or 220V. Confirmed as correct, and then plug in the power supply so as to avoid damage to the equipment.
1. sing-up signal cables
Roll-up of the audio signal and ground wire connected to the mixing desk, sing-up of audio signals the plug must be inserted in the mix on PHONO wiring on track, and distinguish between red and white of the left and right channels plug sockets, ground wire should be connected directly in the mixing stage, such as the ground will not add hum.
Roll-up of audio signals as CD player, DVD player, video recorder, tape recorder, direct connections in the mix on the LINE on track; because the CD, and other input signal level higher in value, while singing the disc by the needle grinding disc after the production of small audio, level signal values generally only reach dozens Ma, need to enter a mix-in a special track for early amplification and adjust the mix one correction to the back-stage amplifier power is enlarged again is to promote sound sources.
2. the needle and changtou installation:
Changtou and needle installation should follow four different colored wires respectively in changtou shelf in four different colors of the connector to color for color and locking. Some sing up changtou accessories accompanied by small iron block, this small iron lock together with changtou changtou shelf.
3. sing-up gravity hammer and balance adjustments:
In order for the records to play and a little less pin grinding jump, so timely adjustment of the balance of the singing arm. First adjust gravity hammer the needle pin voltage is zero, then adjust the left and right bias, and so left bias is zero, then the center of gravity hammer pin voltage weight to 2.5 grams 3 grams.
4. sing-up electronic brake adjustment:
Only such TECHNICS, VESTAX Europe design style of singing up electronic brake function. Every time when you press the stop key to sing disc after disc not immediately stopped, but the dial to continue after the fretting or to turn, singing the e-brake disc did not return to zero. At this point, it should be removed the rotary table, and then remove the protective cover to see the electronic brake (BREAK) and negative spin button, and then use a screwdriver to adjust. As the turntable to stop after a turn towards positive clockwise, you should spin button to fine-tune the positive clockwise; on the contrary, you should tune right clockwise, until completely reached over and adjust a turntable that immediately by pressing stop. Adjust the electronic brake is designed to prevent press the stop button, sing up to continue rotating the noise.
5. sing-up electrostatic film installation:
DJ mix album and turntable when mutual friction is prone to static electricity, therefore installed electrostatic tablets can reduce the generation of static electricity, but also facilitate DJ Mixer. When the installation is also available at the electrostatic film and turntable before placing one or two sheets of plastic film to reduce mutual friction, DJ operation easier.
6. variable speed CD Player installation:
Variable speed CD player to fall into the writing style, split and monomer type, installation is similar to sing disk installation method is the same as the CD player's digital audio signal is connected to the mixer, CD line must be connected in LINE track audio mixing stage, and distinguish between red and white as shown in the left and right channels after plug in the connector, select the attention at the track LINE, consider the left and right to sing up and around CD machine don't mutual switch total a track and signal distribution are unreasonable, it is not convenient when switching.