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Check mode
In this mode, the basic performance of the hardware that is connected with the main microprocessor (ST20) is checked up.
The check results are displayed on the screen.
1) Check mode screen and switching
There are three screens for the check mode. Press the SELECT key on the set or the R/C unit, and at each push the
three screens get switched one after the other.
2) Limitations with the check mode
In the check mode, the DTV's basic operation cannot be performed. Check-related control only is possible.
3) Information displayed in the check mode
CHECK MODE 1
Tells that the set is in the check mode 1. Commands from the ST20 main microprocessor are checked.
R/C:
Shows how well communication is with the R/C unit's microprocessor.
OK:
Indicates that ST20 communicates well with the R/C unit's microprocessor.
NG:
Indicates that ST20 fails to communicate with the R/C unit's microprocessor.
ROM :
Indicates the condition of ROM.
OK: Indicates that the memory area has been confirmed.
NG: Indicates that the memory area has not been confirmed.
FLASH :
Indicates the condition of the flash.
OK :
Indicates that the flash is read correctly.
NG:
Indicates that the fixed values on the flash are not correctly read.
TUNER
Checks the tuner's write performance via ST20.
OK:
Indicates that the tuner can write properly.
NG:
Indicates that the tuner fails to write.
VSB:
Checks the VSB system's read/write performance via ST20.
OK:
Indicates that the system can read and write properly.
NG:
Indicates that the system fails to read and write.
CHECK MODE 1 screen
CHECK MODE 1
V .
R/C
: OK / NG
ROM
: OK / NG
Flash
: OK / NG
Tuner
: OK / NG
VSB
: OK / NG
##
SH-D505
65
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