Sony TC-KA3ES User Manual download pdf (Page 10)

Advanced Recording Operations

Adjusting Bias, Recording Level

and Recording Equalizer

Calibration

Since there are many different types of cassettes on the

market, the tape deck automatically sets the

appropriate equalization characteristics and bias

current for each tape type (ATS: Automatic Tape

Selection).

However, you can get better recording results by

adjusting the bias current, recording level and

recording equalizer.

Insert the cassette you want to record on.

Press CALIBRATION.

The display for adjusting the bias, recording level

and recording equalizer appears.

3 Press # REC,

4 Press 11 PAUSE or ► to record the test tones. (You

can't hear the test tones.)

After two or three seconds, the meters showing the

level of the test tones appear in the display.

Then adjust, in sequence, the bias, recording level

and recording equalizer.

5 Adjust BIAS CALIBRATION so that both meters

indicate equal signal levels.

If the upper meter shows a higher level than the

lower meter, turn the BIAS CALIBRATION

clockwise.

If the lower meter shows a higher level than the

upper meter, turn the BIAS CALIBRATION

counterclockwise.

Adjust REC LEVEL CALIBRATION so that only |

appears. Make sure either or ► does not

appear.

If ► appears, turn REC LEVEL CALIBRATION

clockwise.

If appears, turn REC LEVEL CALIBRATION

counterclockwise.

Only I appears

Adjust REC EQUALIZER CALIBRATION so that

both meters reach the recommended level.

Turn REC EQUALIZER CALIBRATION clockwise

to increase both meters.

Turn REC EQUALIZER CALIBRATION

counterclockwise to decrease both meters.

Repieat steps 5 to 7 if necessary.

8 Press ■ to stop recording the test tones.

The display returns to normal.

9 Rewind the tape and start the actual recording.

'Q' You can also adjust the bias, recording level and the

recording equalizer according to your own taste

For details, see on page 17.

Notes

• Because the meters use a wider amplitude during tape

calibration, they are more sensitive to slight changes in

signal level.

• When you use metal (type IV) tapes, the frequency response

to adjustments of the bias current is small. Therefore,

adjusting the bias current with the range of this tape deck (a

range of about ±20%) may not be effective.

Equal signal level

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 18 19

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Sony TC-KA3ES User Manual Page 10

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