CDX-GT373A - Sony Car Audio Service Manual (repair manual). Page 14

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CDX-GT373A
14
SECTION  4
DIAGNOSIS  FUNCTION
Description of the Diagnostics function:
1.  Setting the Diag display mode 
 
With the power off, press the [4] button, [5] button, and [4] 
button on the set body or the remote control (for more than 2 
seconds) in turn. 
2.  Canceling the Diag display mode
 
During the Diag function mode, press the [OFF] button.
3.  Initial display in the Diag display mode.
 
Just when the Diag mode is entered, “reset count” is displayed.
 
The display mode is switched by each rotation of [
SEEK 
+] or [
SEEK –] keys.
4.  Contents of each display mode
4-1.  Reset count display mode
4-2.  Reset count by watchdog timer display mode
4-3.  Number of connected units display mode
The display mode is switched by each rotation of [2/ALBM+] or 
[1/ALBM–] keys during the number of connected units display 
mode.
4-4.  Operating hours display mode
Reset count display
Reset count by watchdog timer display
99
Number of connected units display
Operating hours display
CD error information display
OFFSET/FAILURE error display
99999
99
9999
999
99
Reset count
(in hexadecimal format)
Diag code
01: Reset count
99
Reset count
(in hexadecimal format)
Diag cord
02: Number of resets by 
      watchdog timer
99
Diag code
03: Number of connected unit.
Recency of information
1-3: 1 represents the latest.
Show the number of connected units for 
CD-C,MD-C and XM respectively from
the rightmost (in hexadecimal format).
999
No. of connected units history 1 (latest) display
No. of connected units history 2 display
No. of connected units history 3 display
999
999
999
Operating hours
(in hexadecimal format)
Diag code
04: Operating hours
9999
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