Read the following email message. Complete the email by filling in the blanks. Select the best choice for each blank.

Hi Alex, Thanks for your interest in setting up a vintage record player. As promised, here's some advice based on the guide I received when I purchased my system. First, you'll need to understand the main components. The 1 .... is the heart of the system, containing several key parts including the platter that supports the record and the motor that rotates it. The tonearm holds the cartridge, which contains the 2 .... that actually makes contact with your vinyl records. For sound output, you'll need a proper 3 .... system. Many beginners don't realize that turntables produce a special type of signal that needs to be processed before it can be amplified. Some modern turntables have this built in, but separate units usually provide better quality. When setting up your system, placement is crucial. Make sure to position your turntable on a 4 .... and keep it away from your speakers to prevent unwanted feedback. The proper connection sequence is turntable to preamp to amplifier to speakers. If you experience problems like skipping records, you might need to 5 .... or check if your records are warped. For humming sounds, always verify your ground connection is secure. Let me know if you have any questions! Best, Jamie

Choose the best option.

Based on Jamie's email to Alex, we can understand that 1 ..... The guide Jamie is referring to suggests that when setting up a vintage record player, users should 2 ..... According to the information provided, if someone hears a humming sound while playing records, they should first 3 .....