DK-A1H (serv.man7) - Sharp Audio Service Manual (repair manual). Page 7

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DK-A1H/DK-A1H(BK)
2 – 2
[4] Key Test
All FL segment will 2s light up at DIM OFF
2s light up at DIM1
2s light up at DIM2
Additional
ΚIf which one of KEY1 + KEY2 press together All FL segment will light up.
[5] Tuner Test
Reference
M1
M2
M3
M4
M5
M6
M7
M8
M9
M10
SPAN
87.5
108.0
90.0
106.0
98.0
530K
1720K
600K
1400K
990K
50K/9K
μDisplayν
At Tuner function only "FM" or "AM" will blinking during Test Mode.
EQ
CUE
REVIEW
PLAY/PAUSE
KEY NAME
E SOUND
VOL UP
VOL DOWN
KEY_1-3_
KEY_1-4_
POWER OFF
KEY
TEST MODE
DISPLAY
KEY_1-1_
BUZZER 1
(B pattern VOLUME25
α
KEY_2-1_
KEY_2-2_
KEY_2-3_
KEY_2-4_
KEY_2-5_
TUNER
AUX
SNOOZE/
DIMMER
KEY_1-2_
KEY NAME
ALARM ON/OFF
ALARM
KEY
TEST MODE
DISPLAY
KEY_2-7_
CLOCK DISPLAY "0:00”
SUMMER TIME COMFIRMATION
CLOCK
TUNER PRESET MEMORY
BUZZER 2
(B pattern VOLUME25
α
BUZZER 3
(B pattern VOLUME25
α
iPod
a) Unit will Power On in TUNER function.
b) Preset will be writen as shown below 
)FM MONO BAND).
c) Receiving Preset No. 1
d) End TEST mode if POWER key is press 
)All preset will be deleted).
e) VOLUME setting is 25.
a) Continue in Display purpose POWER ON.
b) All LED will light up when POWER ON.
c) All LED will light off if POWER key is press,
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