CMT-F3MD, HCD-F3MD — Sony Audio Service Manual (repair manual). Page 8

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8
MC COLD RESET
• The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to
the customer.
Procedure:
1. Press the
I/1
button to turn the power on.
2. While pressing the 
[PLAY MODE/TUNING MODE]
 and
s
 (CD) buttons, press the
I/1
button.
3. The set is reset, and displays “COLD RESET”, then becomes standby status.
MC HOT RESET
This mode resets the set with the preset data kept stored in the memory. The hot reset mode function is same as if the power cord is plugged
in and out.
Procedure:
1. Press the
I/1
button to turn the power on.
2. While pressing the 
[PLAY MODE/TUNING MODE]
 and
HS
(CD) buttons, press the
I/1
button.
3. The set is reset, and becomes standby state.
LED/FLUORESCENT INDICATOR TUBE AND KEY TEST
Procedure:
1. Press the
I/1
button to turn the power on.
2. While pressing the 
[PLAY MODE/TUNING MODE]
 and
A
(CD) buttons, press the
I/1
button.
3. LEDs and fluorescent indicator tube are all turned on.
4. Press the
HS
(MD) button to enter the key test mode, and display “Key0 Vol0”.
5. Each time a button is pressed, “Key” value increases. However, once a button is pressed, it is no longer taken into account.
“Vol” value increases like 0, 1, 2 ... if turn the 
[VOLUME]
 knob clockwise, or it decreases like 9, 8, 7 ... if turn the 
[VOLUME]
 knob
counterclockwise.
6. To release from this mode, press three buttons in the same manner as step 2, or disconnect the power cord.
Note:
l m
and
M L
buttons are no longer taken into account, if it pressed within for a second.
CHANGE-OVER THE AM TUNING INTERVAL
• The AM tuning interval can be changed over 9 kHz or 10 kHz.
Procedure:
1. Press the
I/1
button to turn the power on.
2. Press the 
[FUNCTION]
 button to set the TUNER function, and press the 
[TUNER/BAND]
 button to select the band “AM”.
3. Press the
I/1
button to turn the power off.
4. When the power off, press the
I/1
button while pressing the 
[PLAY MODE/TUNING MODE]
 button, and the display of fluorescent
indicator tube changes to “AM 9k STEP” or “AM 10k STEP”, and thus the tuning interval is changed over.
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