16
CX-JDS20/JDS50
SECTION 3
TEST MODE
[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
?
/
1
button to turn the set on.
2. Press three buttons
x
,
X
and
[i-Bass]
simultaneously.
3. The fluorescent indicator tube does not display any message
and the set is reset.
[Version Display Mode]
*
The version of the microcomputer is displayed.
Procedure:
1. Press the
?
/
1
button to turn the set on.
2. To enter the test mode, press three buttons
x
,
[DISPLAY]
and
?
/
1
simultaneously. The version of the microcomputer
is displayed.
[PANEL Test]
*
All fluorescent segments are tested.
Procedure:
1. Press the
?
/
1
button to turn the set on.
2. Press three buttons
x
,
[DISPLAY]
and
?
/
1
simultaneously.
3. Then all segments of the florescent indicator tube are turned
on.
[KEY Test]
*
Keyboard check
Procedure:
1. When the panel test mode is activated. Press
x
and
[DISC 1]
buttons simultaneously, and the key check mode is activated.
2. The message “KEY 0 0 0” is displayed.
3. Press
x
, and
[DISC 1]
buttons simultaneously, and the key
count mode is activated.
4. The message “KEYCNT 0” is displayed.
Each time a button is pressed, “KEYCNT 0” value increased.
However, once a button is pressed, it is no longer take into
account.
[CD Ship (LOCK) & COLD RESET MODE]
Procedure:
1. Press the
?
/
1
button to turn the set on.
2. Select the function “CD”.
3. Press the
simultaneously.
5. The “LOCK” display blinks instantaneously and CD ship mode
6. The Cold Reset Mode is set.
This mode moves the optical pick-up to the position durable
to vibration. Use this mode when returning the set to the
customer after repair.
2. Set the FUNCTION to CD.
3. Press three buttons
x
,
ML
and
[DISPLAY]
simulta-
neously for more than two seconds.
4. After a message “LOCK” is displayed on the fluorescent
indicator tube, the CD ship mode is set and the power is turned
off.
[Disc Tray Lock]
The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.
Setting Procedure :
1. Press the
?
/
1
button to turn the set on.
2. Press two buttons of
x
and
Z
simultaneously for five
seconds.
3. The message “LOCKED” is displayed and the tray is locked.
Releasing Procedure :
1. Press two buttons of
x
and
Z
simultaneously for five
seconds again.
2. The message “UNLOCKED” is displayed and the tray is
unlocked.
Note :
When “LOCKED” is displayed, the tray lock is not released
by turning power on/off with the
?
/
1
button.
[Common Test]
*
This mode is used to check the function of the amplifier.
Procedure:
1. Press the
?
/
1
button to turn the set on.
2. Press three buttons
x
,
[DISPLAY]
and
?
/
1
simultaneously.
3. The message “Volume MAX” is displayed, when the
[VOLUME]
knob is rotated clockwise. The message “Volume
MIN” is displayed, when the
[VOLUME]
knob is rotated
counterclockwise.
4. Each time the
[BASS]
,
[TREBLE]
and
[MIDDLE]
knob is turned,
the message “EQ MAX”, “EQ MIN” or “EQ FLAT” is
displayed in this order.
[AM Channel Step 9 kHz/10kHz Selection Mode]
*
Either the 9 kHz step or 10 kHz step can be selected for the
AM channel step. (EXCEPT AEP,UK,RU)
Procedure:
1. Set the FUNCTION to AM.
2. While depressing the
[PLAY MODE/TUNING MODE]
button,
press the
?
/
1
button.
3. The channel step is changed over.
[CD Repeat 5 Times Limit Release Mode]
Procedure:
1. Press the
?
/
1
button to turn the set on.
2. Select the FUNCTION to CD.
3. Press three buttons
x
,
[DISPLAY]
and
[DISC 1]
simulta-
neously.
4. The repeat all mark blinks and then repeat 5 times limit is
released.
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