Panasonic KX-TG8021BXS Service Manual page 43

9.1.5. Check Handset Transmission
Cross Reference:
Signal Route (P.14)
9.1.6. Check Handset Reception
Cross Reference:
How to Check the Handset Speaker or Receiver (P.68).
Signal Route (P.14)
9.1.7. Check Caller ID
Cross Reference:
Signal Route (P.14)
KX-TG8021BXS/KX-TG8021BXT/KX-TGA800BXS/KX-TGA800BXT
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