NuTone IM-440 Series Setting Program Audio Controls Continued, Setting Intercom Volume

OPERATIONAL CHECKOUT (Continued)

SETTING PROGRAM AUDIO CONTROLS (CONTINUED)

7.Adjust the MASTER VOLUME control and all remote station’s volume controls to the volume level you desire. In order to have proper intercom audio levels, it is recommended that the MASTER VOLUME and remote stations’ VOLUME controls be set at 2⁄3 volume or higher.

SETTING INTERCOM VOLUME

1.Initiate an intercom call from the master by pressing the INSIDE/PATIO key.

2.Speak with a clear normal voice about 2-3 feet from the master station’s speaker.

3.Adjust the INTERCOM VOLUME control until the initiating station’s audio is clearly heard at all stations in the system.

PLEASE NOTE: The volume control at all stations should be set between 1⁄2 to maximum volume for proper intercom operation.

4.Repeat the above procedure at several remote station locations until an acceptable intercom audio level is achieved at all stations.

SETTING INTERNAL INTERCOM VOLUME CONTROL

The internal intercom volume control has been factory set for optimum intercom operation. Should the intercom gain need to be adjusted beyond the range of the Intercom Volume Control behind the left front door, use the following procedure:

1.Refer to Figure 27. Using a thin-blade screwdriver, adjust the internal control counter-clockwise as viewed from the rear of the master station panel. This adjustment will reduce the intercom gain.

2.To increase the intercom gain, turn the internal control clockwise.

ROUGH-IN

BOTTOM OF

MASTER

FIGURE 27

SETTING THE BEEP TONE LEVEL

The internal BEEP tone volume control has been factory set to a normal level for the BEEP tone to be heard when the CD Player operation is initiated from a remote station by using the AM/FM/CD CONTROL/END CALL key. Should that level require adjustment, use the following procedure:

1.Refer to Figure 28. Using a thin-blade screwdriver, adjust the BEEP TONE volume control counter-clockwise as viewed from the rear of the master station panel to reduce the BEEP level.

2.To increase the BEEP level, turn the control clockwise.

BEEP TONE

FIGURE 28

SETTING THE EXTERNAL AUDIO SOURCE LEVEL

The TAPE and AUX level controls have been factory set at maximum. These controls can be adjusted to match the external audio source level with the built-in radio and CD Player levels. Use the following procedure:

1.Press the FM key.

2.Tune the radio to a strong local radio station.

3.Turn on the external audio source(s) connected to the master station.

4.Switch the master station from FM to TAPE or AUX.

5.Refer to Figure 29. Using a thin-blade screwdriver, adjust the TAPE/AUX control to match the audio level of the external audio source with the FM radio.

AUX TAPE

LEVEL LEVEL

FIGURE 29

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