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system.
18 OPEN: Causes the CD Player door to open.
19 LOUDNESS: Compensates for the bass and treble response the human ear has when listening to audio at low volume levels.
20 MICROPROCESSOR RESET: Initiates a reset of the microprocessor. NOTE: A reset of the microprocessor will erase the system’s memory.
CLOSE: Press here to close CD Player door.
TREBLE: Adjusts the high frequency audio content of the source audio.
STOP: Ends the CD Play mode and turns off the program audio.
BASS: Adjusts the low frequency audio content of the source audio.
SYSTEM VOLUME: Adjusts the program audio level throughout the
CD PLAYER DOOR: Open CD door and snap CD disc onto spindle.
frequencies.
MEMORY 1-6 KEYS: Provides direct access to stored radio
▲▼ UP/DOWN TUNING: Provides manual tuning of the AM/FM radio.
1 SCAN: Activates scan tuning during AM/FM operation.
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OPERATIONAL CHECKOUT
SYSTEM OPERATING CONTROLS

4TRACK▲ : Returns to the beginning of the current track and/or previous tracks.

5TRACK ▲: Advances the CD Player to the beginning of the next track.

6RDM/RPT: (Random/Repeat) Set the CD play mode to: REPEAT ONE, REPEAT ALL or RANDOM PLAY.

7PLAY/PAUSE: Activates the operation of the CD Player. Pressing the key during play operation will pause the CD Player.

8SEARCH ▲: Quickly searches the track in the forward direction.

9SEARCH ▲ : Quickly searches the track in the reverse direction.

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11 TIME SET: Used with the ▲ ▼ keys to set the clock and timer.

12 MEMORY SET: Stores desired radio frequencies into a selected memory location.

21DISPLAY: Sets the LCD display mode: CLOCK, RADIO FREQUENCY, TRACK NUMBER or TIME PLAYED.

22INTERCOM VOLUME: Adjusts intercom audio level throughout the system.

23MASTER STATION STATUS SWITCHES: Sets the master station in

one of the following modes: RADIO/INTERCOM, INTERCOM ONLY, OFF or MONITOR.

24REMOTE STATION STATUS SWITCHES: Sets the remote stations in

one of the following modes: RADIO/INTERCOM, INTERCOM ONLY,

OFF or MONITOR. Note: If the optional expansion module is installed, 6 additional switches will be located on the right side of the master.

25DOOR RELEASE KNOCKOUT: Mounting hole for optional door release pushbutton.

26END CALL: Ends intercom communication and returns system to audio source.

27DOOR TALK: Initiates intercom communication to the door speakers.

28INSIDE/PATIO: Initiates intercom communication to remote stations.

29TIMER: Enables or disables the radio timer. The indicator light will illuminate next to the Timer key when the Radio Timer is activated.

30PROGRAM AUDIO SOURCE: Selects the program audio source: AM, FM, TAPE and AUX. The indicator light will illuminate next to the selected program audio source.

31ELECTRONIC CHIME TUNE SELECTION: Selects the tune of the optional NuTone IA-29 Chime Module.

32PROGRAM OFF: Turns off the selected program audio source. The program Off key does not affect the intercom or chime operation.

33MASTER VOLUME: Adjusts the volume at the master station.

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NuTone IM-440 Series installation instructions Master Station Status Switches Sets the master station
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IM-440 Series specifications

The NuTone IM-440 Series is a highly acclaimed intercom system designed to enhance communication and convenience in both residential and commercial environments. Renowned for its utility and efficiency, this system combines advanced technology with user-friendly features, making it a popular choice for those looking to upgrade their intercom systems.

One of the standout features of the NuTone IM-440 Series is its versatile communication capabilities. The system supports both intercom communication and radio broadcasting, allowing users to not only communicate with different rooms but also listen to music or news throughout the premises. This dual functionality positions the IM-440 as an all-in-one solution for audio entertainment and inter-room communication.

The IM-440 series employs robust technology to ensure clear audio quality. Utilizing advanced circuitry, the system minimizes interference and enhances sound clarity, making conversations more intelligible and enjoyable. This technology is particularly useful in larger homes or commercial spaces where distance can affect sound quality.

Installation is made easy thanks to the IM-440 series' design, which supports a variety of mounting options and is compatible with numerous room types. The user interface is intuitive, featuring a simple-to-use control panel that allows for straightforward navigation and operation. This focus on user experience is evident in the attention to detail in the design, ensuring that even those who are not tech-savvy can operate the system with ease.

Another significant characteristic of the NuTone IM-440 Series is its scalability. The system can be easily expanded to accommodate additional rooms and features, allowing users to customize their intercom setup according to their specific needs. This makes it a future-proof investment that can adapt to changes in living or working environments.

Durability and reliability are also hallmarks of the IM-440 series. Built to withstand the rigors of daily use, the system features high-quality materials that ensure longevity. Additionally, the system's components are engineered to perform consistently over time, providing users with peace of mind that their communication system will be operational when needed.

In summary, the NuTone IM-440 Series stands out for its combination of advanced audio technology, user-friendly design, and scalability. Whether for communication or entertainment, this intercom system offers a compelling solution for those seeking to enhance their indoor audio experience. With its array of features and reliability, the IM-440 Series remains a top choice in intercom systems.
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