Sony HCD-GNX600 Service Manual page 17

[VACS ON/OFF]
• This mode is used to switch ON and OFF the VACS (Variable
Attenuation Control System).
Procedure:
1. Press button to turn on the set.
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2. Press x button and [DIRECTION] button and [DISC 1] button
simultaneously. The message "VACS OFF" or "VACS ON"
appears on the fluorescent indicator tube.
[TUNER STEP CHANGE]
• The step interval of AM channels can be toggled between 9
kHz and 10 kHz.
Procedure:
1. Press button to turn on the set.
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2. Press [TUNER/BAND] button repeatedly to select the "AM".
3. Press button to turn off the set.
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4. Press [ILLUMINATION/SUB WOOFER LEVEL] button and
button simultaneously. The system will turn on
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automatically. The message "AM 9K STEP" or AM 10K
STEP" appears on the fluorescent indicator tube and thus the
channel step is changed.
[CD SERVICE MODE]
• This mode let you move the CD sled motor freely. Use this
mode when you want to clean the optical pick-up.
Procedure:
1. Press button to turn on the set.
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2. Select CD function.
3. Press x button, [ILLUMINATION/SUB WOOFER LEVEL]
Z
button and
OPEN/CLOSE
4. The CD service mode is activated. The message "SERVICE
MODE" appears on the fluorescent indicator tube.
5. With the CD in stop status, press
optical pick-up to outside track, or press
to inside track. The message "SLED OUT" or "SLED IN"
appears on the fluorescent indicator tube.
6. To turn on or off the laser, press [GROOVE] button. The
message "LD ON" or "LD OFF" appears on the fluorescent
indicator tube.
7. To release from this mode, press
button simultaneously.
button to move the
M
button to move
m
button.
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[CD AGING MODE]
This mode can be used for operation check of CD section.
• If an error occurs, the aging operation would stops and the
status is displayed.
• If there were no error occurs, the aging operation would
continue repeatedly.
Procedure:
1. Press button to turn on the set.
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2. Select CD function.
3. Load three discs on the disc tray.
4. Press [PLAY MODE] button on the remote repeatedly to select
the "ALL DISCS" mode, and press the [REPEAT] button on
the remote repeatedly to select "REPEAT OFF" mode.
5. Press x button, [ILLUMINATION/SUB WOOFER LEVEL]
button, and[DISC SKIP/EX-CHANGE] button
simultaneously.The CD ring indicator and line below CD
ring indicator turn on afternately to indicate aging mode.
6. Aging operation is started.
7. To release from this mode, press
the power plug.
Aging mode sequence:
Start (from disc 1)
Disc chucking
TOC reading
Play first track for 2 seconds
Play last track for 2 seconds
EX-CHANGE open/close
Open the disc tray
Disc skip
Close the disk tray
Change to the next disc
HCD-GNX600
button or disconnect
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