Panasonic TH-37PW7BX Service Manual page 21

10.1.2. CD mode
Select the CD mode by Up/Down button on the remote control at the front page of CAT mode then press the Mute button on the
remote control more than 5 sec.
Micom software version (IC9354), this version can be upgrade by
1. replace of new version IC
2. Loading the new version software from loader tool, TZSC07036.
Memory data change
To exit the CD mode, press the R button on the remote control.
10.1.3. SD mode
Select the SD mode by Up/Down button on the remote control at the front page of CAT mode then press the Action button on the
remote control.
To exit the SD mode, press the R button on the remote control.
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TH-37PW7BX