Forced Update Mode - Kenwood KDC-348U Service Manual

● Mode operation specifi cation
Operation
D
DC ERR1dis-
1
play
D
DC ERR1 clear
■1 D
DC ERR2 dis-
2
D
play
DC ERR2 clear
■2 D

8. Forced Update Mode

● How to enter the forced update mode
Press and hold [1] key and [SEARCH] key and reset.
● Default status immediately after the mode activation
It shall be same as normal activation.
● Mode structure
Forced update mode can be executed independent of the current source.
● Mode content
After entering the mode, perform the normal SRC feed with the [SRC] key, or DISC insertion.
The display of the SRC switching is shown in the same manner as the display of the normal mode.
After the completion of READING, start the UPDATE if there is an update fi le.
If there is no update fi le, display "NO FILE".
Display specifi cation for this will be as following.
Display content
F / W U P M
F I L E C H E
R E A D I N G
N O F I L E
U P D A T I N G
C O M P L E T E
U P D A T E E
TEST MODE
Display content
C 1 E R R
C 1 O K
C 1 O K
C 2 4
C 2 0
STANDBY condition in the forced update mode
O D E
File Check display after SRC switching
C K
Display while Reading
Display when there is no update fi le
Display after confi rming the existence of an update fi le, and updating (The display blinks)
Update completed (Version that was data written is displayed after completion)
V 3 0 0
Update error
R R
KDC-348U/4751SD/BT41U/BT648U
/U4549/U4549SD/U549BT/X395/X695
Details
When wrong connection & DC error in other detection
duration is detected
When wrong connection & DC error in other detection
duration is not detected
Clear detection information when wrong connection & DC
error in other detection duration is displayed. (Clear data
fl ash)
Display detecting number of times in capacitor leakage
detection duration (0~4)
Clear number of times for detection information in capaci-
tor leakage detection duration. (Clear data fl ash)
Details
19