ICD-UX543, ICD-UX543F, ICD-UX544F - Sony Audio Service Manual (repair manual). Page 20

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ICD-UX543/UX543F/UX544F
20
4-12.  FM TEST (ICD-UX543F/UX544F only)
FM tuner can be checked.
Procedure:
1.  Enter the test mode.
 
(Refer to “SETTING THE TEST MODE” on page 15)
2.  Press the [
>
] or [
.
] keys to select the “FM TEST”, and 
press the [
N
] key.
3.  The state of FM tuner is displayed.
 
(Displayed characters/values in the following fi gure are ex-
ample)
LCD Display
<FM TEST>
FM : OK DX
080.00 Lv:5A 00
CH:80 00
 
OK  : ID acquisition value OK
 
NG  : ID acquisition value NG
 
In OK, it becomes FM receiving mode.
 
Initial value:
 
Frequency : 80.0 MHz (DX mode)
 
Key input settings under this mode of operation:
 
[.]  : Receiving step value decrease
 
[>]  : Receiving step value increase
 
[
N
: Receiving sensitivity change (DX 
↔ LOCAL)
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
4-13. KEY 
COUNT
The count value of the keys and switches operation can be dis-
played. However, distinction of kind of the keys and switches 
which operated is not performed.
Only the key pressed fi rst is counted.
Note: It cannot move to other modes from this mode.
Procedure:
1.  Enter the test mode.
 
(Refer to “SETTING THE TEST MODE” on page 15)
2.  Press the [
>
] or [
.
] keys to select the “KEY COUNT”, 
and press the [
N
] key.
3.  The count value of the keys and switches operation is dis-
played.
 
(Displayed characters/values in the following fi gure are ex-
ample)
LCD Display
The key name of
the pressed first
<KEY COUNT>
KEY:PLAY
00888
 
Count value increase conditions:
 
One of keys is pressed.
 
One of switches is slid.
 
Memory card is inserted.
 
Headphone or microphone is inserted.
 
Initial value:
 
Count number : 00000 (Maximum is 99999)
 
If the key is pressed in the state of 99999, it will return to 
00000.
Releasing method:
Press the [RESET] button.
4-14. SLEEP
It can change into the sleep state for standby current value mea-
surement.
Note: It cannot move to other modes from this mode.
Procedure:
1.  Enter the test mode.
 
(Refer to “SETTING THE TEST MODE” on page 15)
2.  Press the [
>
] or [
.
] keys to select the “SLEEP”, and press 
the [
N
] key.
3.  The sleep state selection screen is displayed.
 
This unit shifts to the sleep state by pressing the [
N
] key 
again.
LCD Display
<SLEEP>
SLEEP:NORMAL
Excuting...
Releasing method:
Press the [RESET] button.
Ver. 1.1
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