Polk Audio RMDS-1 User Manual download pdf (Page 20)

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After you have connected all speakers and source components you may

start using the RMDS-1 without any further set-up procedures and get

excellent performance in most homes. One of the many benefits of the

Polk RM Digital Solution system is that the electronics and speakers

have been perfectly optimized for the highest Dolby Digital performance

without the need for complicated set-up and calibration procedures.

There are only two adjustments you may want to perform to optimize

the system for your room and speaker placement. Those adjustments

are “Channel Balance” and “Delay.” The factory presets for these two

optional adjustments were selected to provide high quality balanced

sound in the vast majority of set-ups. If you are anxious to listen to

your new system right now (we understand), skip this section and come

back to it later.

Setting Channel Balance

This procedure sets the relative volume of the 5 satellite speakers so

that you hear equal sound from every speaker, even if you are sitting

closer to one speaker than the others. You may do these adjustments by

ear or by using a Sound Pressure Level meter (available at Radio Shack

for $40 -$60). Consult the meter’s operating manual for its proper use.

1. Sit in your normal listening position.

2. Turn on the TV that is connected to the video output of the RMDS-1

preamp/processor. Adjust the main volume control on the remote or

front panel to a typical listening level. If you are using an SPL meter,

set the volume to 70dB.

3. Select a multi-channel source input such as DVD or LD.

4. Select Dolby Digital or Dolby Pro Logic processing by pressing

the “Surround On/Off” button on the remote control or the

preamp/processor front panel.

5. Press the “Balance” button on the remote control. You should see

this menu on your TV screen:

6. Use the up/down directional buttons on your remote control ▲▼ to

move the arrow-shaped cursor h to “TEST TONE.”

7. Use the right directional button on the remote control

h to select Test Tone “ON.”

8. A “shhhhhhhh” noise should now be coming from the Front Left speaker.

9. Use the left/right directional arrows on the remote control gh to

raise or lower the tone to a comfortable volume level. The SPL meter

should read “0.”

SET-UP AND CALIBRATION

IMPORTANT NOTE:

If at any time during this procedure the test tone comes from the wrong

speaker, you have made a speaker connection mistake. Push the

“Balance” button on the remote to cancel this procedure. Re-read the

“Subwoofer and Speaker Connections” section of this manual and

correct the wiring error before returning to this procedure.

10. You will see a small square indicator cursor next to the current

speaker. Use the ▲▼ directional buttons on the remote to “pick up”

the indicator and move it to the next speaker in the array, “Center.”

11. The test tone should now come from the center speaker.

12. Use the left/right directional arrows on the remote control

gh to raise or lower the tone volume of the Center speaker to

match the volume of the Left Front speaker.

13. Repeat this procedure for all channels until all 5 speakers sound

like they are playing at the same volume level. In most cases the range

of needed adjustment should not be more than a few dB up or down.

14. Use the up/down directional buttons on the remote ▲▼ to move

the arrow shaped cursor to “EXIT.”

15. The “Save” should be highlighted. If it isn’t, use the left directional

arrow to highlight “Save.”

16. Press the Enter button on the remote control to save and exit this

menu. The preamp/processor will now go back to normal operation.

17. If you feel like you have made errors and wish to cancel the

adjustments you have just made, highlight “NO SAVE” and exit. The

balance settings will return to where they were.

18. To return to the factory preset balance settings, move the cursor to

“DEFAULTS,” select “ON” and exit.

Once you have completed this procedure you can leave it alone. You

may occasionally encounter a movie or recording that was produced

in such a way that it doesn’t sound channel-balanced even though you

are certain that your system is properly balanced. Don’t sit there and

suffer. Push the balance button to go to the Channel Balance menu and

make whatever adjustment you feel will make that recording sound

good to you. Remember to “Save” the new settings before exiting.

The time delay circuit ensures that the sounds from all the speakers

arrive at your ears properly synchronized. This ensures that the

surround sound effects are as natural and enveloping as the recording

allows. The RMDS-1 is preset to default values that will yield excellent

sound quality in all but the most unusual room and speaker set-up

situations. If you want to be sure that your system is optimized for

your set up, use the following procedures.

Setting Dolby Digital Delay

The RMDS-1 is factory preset to default values of Center = 3mS and

Surround = 15mS in the Dolby Digital mode. These settings will give

excellent performance in the vast majority of homes and set ups.

To fine tune these settings, go on to the next page.

SETTING CHANNEL DELAY

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Polk Audio RMDS-1 User Manual Page 20

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