Sony HCD-GT111 Service Manual page 19

CD TRAY LOCK MODE
This mode let you lock the disc tray. When this mode is activated,
the disc tray will not open when [OPEN/CLOSE] button or [DISC
SKIP/EX-CHANGE] button is pressed. The message "LOCKED"
will be displayed on the fl uorescent indicator tube.
Procedure:
1. Press [ ] button to turn on the system.
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2. Select CD function.
3. Press [x] button and [OPEN/CLOSE] button simultaneously
and hold down until "LOCKED" or "UNLOCKED" displayed
on the fl uorescent indicator tube (around 5 seconds).
FACTORY PRESET
This mode is use to load all the factory use preset frequencies into
FM 1-FM 20 and AM 1-AM 10. Originally, frequency of FM 1-
FM 20 and AM 1-AM10 are set to the minimum frequency.
Procedure:
1. Press [ ] button to turn on the system.
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2. Press [TUNER/BAND] button, [x] button, and [DISC 1] but-
ton simultaneously and the message "FACTORY" appears
on the fl uorescent indicator tube. The function is changed to
TUNER automatically.
VACS DISPLAY
This mode is used to check the VACS level.
Procedure:
1. Press [ ] button to turn on the system.
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2. Press [ERASE] button, [x] button and [ENTER] button si-
multaneously.
3. The fl uorescent indicator tube displays "VACSA". "A" repre-
sents Conventional VACS (Triggered by signal level)
4. To release from this mode, do the step 2 again.
METER SWITCH TOUCH COUNT DISPLAY
This mode is used to display the total count of meter pointer touch
initial switch and max switch.
Procedure:
1. Press [ ] button to turn on the system.
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2. Press [x] button, [ENTER] button and [DISPLAY] button si-
multaneously.
3. The fl uorescent indicator tube displays "IxxxxxMyyyyy".
"I" represents the Initial Switch touch.
"xxxxx" represents the total count of Initial Switch touch.
(Maximum Value of "xxxxx" = 65535)
"M" represents the Max Switch touch.
"yyyyy" represents the total count of Max Switch touch.
(Maximum Value of "yyyyy" = 65535)
4. To release from this mode, do the step 2 again. The fl uorescent
indicator tube displays "MODE OUT".
HCD-GT111/GT222/GT444/GT555
METER TEST MODE
This mode is used to check the meter device.
Procedure:
1. Press [ ] button to turn on the system.
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2. Press [x] button, [ENTER] button and [METER MODE] but-
ton simultaneously.
3. Meter Backlight LEDs, Meter Pointer LEDs, Power Illumina-
tor LEDs and fl uorescent indicator tube are lighted up.
4. When you want to perform count total step from Initial Switch
to Max Switch operation mode, press [M] button. The me-
ter pointer will move from Initial Switch to Max Switch and
fi nally move back to the middle position. The total step count
information appears on the fl uorescent indicator tube. "xxx
STP yy" is shown.
"xxx" represents the total step.
(Value of "xxx" should between 430 steps to 470 steps)
"yy" represents the status of total step count.
(If total step between 430 steps to 470 steps, "yy" is OK,
Else "yy" is NG)
5. When you want to perform count total step from Max Switch
to Initial Switch operation mode, press [m] button. The me-
ter pointer will move from Max Switch to Initial Switch and
fi nally move back to the middle position. The total step count
information appears on the fl uorescent indicator tube. "xxx
STP yy" is shown.
"xxx" represents the total step.
(Value of "xxx" should between 430 steps to 470 steps)
"yy" represents the status of total step count.
(If total step between 430 steps to 470 steps, "yy" is OK, else
"yy" is NG).
6. To release from this mode, do the step 2 again. The fl uorescent
indicator tube displays "TST MODE OUT".
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