Panasonic KX-TG4753B Service Manual page 65

12.7.1.3. Handset
First, operate the PC setting according to The Setting Method of JIG (P.56).
Then download the appropriate data according to the following procedures.
EEPROM (IC3) Adjusted parameter data is stored in memory.
(country version batch file, default batch file,
etc.)
X'tal (X1) System clock
Note:
(*2) XXX_YYY: revision number
"XXX" and "YYY" vary depending on the country version. You can find them in the batch file, PNZZ- mentioned in The Setting
Method of JIG (P.56).
Items How to download/Required adjustment
1) Default batch file: Execute the command "default.bat".
2) Default batch file (remaining): Execute the command
"TGA470US_DEF_RevXXX_YYY.bat". (*2)
3) Country version batch file: Execute the command
"TGA470US_US_RevXXX_YYY.bat". (*2)
4) Clock adjustment
5) 2.35 V setting and battery low detection
1) Apply 2.6V between BATT+ and BATT- with DC power.
2) Input Command "sendchar sfr", then you can confirm the
current value.
3) Check X'tal Frequency.(13.824 MHz ± 100 Hz).
4) If the frequency is not 13.824 MHz ± 100 Hz, adjust the
frequency of CLK executing the command "sendchar sfr xx xx
(where xx is the value)" so that the reading of the frequency
counter is 13.824000 MHz ± 5 Hz.
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KX-TG4753B/KX-TG470B/KX-TGA405B