Adcom GFR-700HD user manual Channel Balance, Test Tone, Front / R Front, Surround / R Surround

Channel Balance

How can you achieve optimal balance in volume lev- els from all speakers? The GFR-700HD supplies indi- vidual sliders and a “pink noise” test tone to aid you in balancing your speaker levels. For best results, it is recommended that you use a Sound Pressure Level (SPL) meter to precisely measure the volume levels from each speaker. However, your ear aided by ex- perimentation is ultimately the best judge. The fol- lowing is an overview of the Channel Balance menu.

To access the Channel Balance menu:

1Press the Main button on the remote control.

2 Press the Setup button.

3 Use the / buttons to select CHANNEL BAL- ANCE, then press the Select button.

4 Use the / buttons to choose from the follow- ing menu items:

TEST TONE

Generates a “pink noise” test tone that you can move manually from speaker to speaker. This neutral tone provides an effective gauge to measure volume lev- els that is more objective than a movie sound track or other variable signal. Use the / buttons to se- lect:

•On or Off

•If you select On, the test tone does not begin until you first select a speaker (see below).

•If you select Off, the currently selected audio source will be heard instead of the test tone.

L FRONT / R FRONT

Adjusts the relative volume of the left/right front speakers. Use the / buttons to select:

•-10 to +10 dB

CENTER

Adjusts the relative volume of the center speaker. Use the / buttons to select:

•-10 to +10 dB

•If you do not have a center speaker (as set on page 37), the choice will be fixed to N/A.

L SURROUND / R SURROUND

Adjusts the relative volume of the left/right surround speakers. Use the / buttons to select:

•-10 to +10 dB

•If you do not have surround speakers (as set on page 37), the choices will be fixed to N/A.

L SURR BACK / R SURR BACK

Adjusts the relative volume of the left/right surround back speakers. Use the / buttons to select:

•-10 to +10 dB

•If you do not have surround back speakers (as set on page 37), the choices will be fixed to N/A.

SUBWOOFER

Adjusts the relative volume of the subwoofer. Use the / buttons to select:

•-10 to +10 dB

•If you do not have a subwoofer (as set on page 37), the choices will be fixed to N/A.

Notes:

•You can also use the Channel Trim and Test Tone buttons on the remote control to adjust the chan- nel balance.

•Press the Channel Trim button to set the volume levels for each individual speaker.

•Press the Test Tone button to hear a test tone in each speaker.

Chapter 3 - Setup

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