HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
24
AUTOMATIC ACOUSTIC FIELD CALIBRATION MICRO-
PHONE TEST MODE
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Insert ECM-AC2 supplied as an accessory into the AUDIO IN/
A.CAL MIC jack.
3. While pressing the [
S
] and [
A
] buttons simultaneously, turn
the [VOLUME] dial in the direction of (+).
4. Con
fi
rm that the following are shown on the display panel.
1
The JACK inserted/non-inserted detection display and the
STEREO/MONO detection display.
2
Presence of DIGITAL voice input to the microcomputer.
(OK: input, NG: no input)
3
The value of the MIC input to the microcomputer. (shouwn
“255h”)
* * *
* *
* * *
1 2 3
1
“NON” : Not detected
“ST” : STEREO
“MN” : MIN
2
OK : input
NG : no input
3
0-255 (Changes in real time)
5. To exit this mode, press two buttons [
S
] and [
A
] simultane-
ously, turn the [VOLUME] dial in the direction of (+).
DEMO PLAY OUT
It is a mode to release the demonstration reproduct by the dedi-
cated demonstration disc.
Procedure:
1. During playback the DEMO disc, press the [
s
] and [
H
] but-
tons for
fi
ve seconds simultaneously.
2. The message “DEMO OFF” is displayed, a mode to reproduct
the demonstration is released.
VOLUME TEST MODE
Procedure:
] button to turn the power on.
] simultaneously.
3. The message “VOLUME MAX” is displayed, when the [VOL-
UME] dial is turned in the direction of (+).
The message “VOLUME MIN” is displayed, when the [VOL-
UME] dial is turned in the direction of (–).
4. To exit from this mode, press the [
] button to turn the set
PROTECTION FACTOR (SD DETECTION/DC DETEC-
TION) IDENTIFICATION TEST MODE
When an error is detected, the
fl
orescent indicator tube alternately
displays
“PROTECTOR”
h
“PUSH POWER”.
Press
the
[
?
/
1
] button.
* Buttons other than the [
?
/
1
] button are invalid.
“STANDBY” blinks three times on the
fl
orescent indicator tube.
The protection release state (POWER OFF) is established.
(No
fl
orescent indicator tube display)
Press
the
[
?
/
1
] button twice.
The power to the system turns on, and the normal operation is es-
tablished. (Restore)
During the protection state:
1. If the AC plug is connected or disconnected during the protec-
tion state, the protection state is released, and the normal op-
eration is established. (The protection state is not maintained)
2. The protection factor is displayed by pressing the [FUNC-
TION], [
A
] and [
L
] buttons at the same time during the
protection state. (during the “PROTECTOR”
h
“PUSH
POWER” display)
When SD is detected: Repeats
“SD
DETECT”
h
“PROTECTOR”.
When DC is detected: Repeats
“DC
DETECT”
h
“PROTECTOR”.
SD detection:
When the “L” output from the SD (shutdown) port on the
S-MASTER POWER Driver Shutdown and voltage descent
(15V or less) of 30V power supply (PVDD) are detected.
DC detection:
When the “L” output from the power/speaker error detection
circuit (DC detection port) is detected for two seconds continu-
ally, the power system other than that of the
fl
orescent indica-
tor tube is turned off, and the protection state is established.
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