Panasonic KX-TG6511C - User Manual

Questions and Answers

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Caleb JonesSep 23, 2025
What to do if liquid entered my Panasonic Telephone handset/base unit?
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  Anthony JohnsonSep 23, 2025
  If liquid or moisture has entered your Panasonic Telephone handset/base unit: * Disconnect the AC adapter and telephone line cord from the base unit. * Remove the batteries from the handset and leave to dry for at least 3 days. * After the handset/base unit are completely dry, reconnect the AC adapter and telephone line cord. * Insert the batteries and charge fully before use.
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Sarah KimAug 23, 2025
Why is my Panasonic Telephone not recording new messages?
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  Brittany HaysAug 23, 2025
  If your Panasonic Telephone is not recording new messages, consider the following: * Ensure the answering system is turned on. * Erase unnecessary messages if the memory is full. * Check that the recording time is not set to “Greeting only”. * If you subscribe to a Voice Mail service, messages are recorded by your service provider/telephone company, not your telephone. In this case, change the unit’s number of rings setting or contact your service provider/telephone company.
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James HenryAug 25, 2025
What to do if my Panasonic Telephone does not work?
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  Samantha LivingstonAug 26, 2025
  If your Panasonic Telephone is not working, try the following: * Ensure the batteries are installed correctly. * Fully charge the batteries. * Check the connections. * Unplug the base unit’s AC adapter to reset the unit, then reconnect the adapter and try again. * If the handset has not been registered to the base unit, register the handset.
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Ricardo WestAug 26, 2025
Why is my Panasonic KX-TG6511C Telephone handset not ringing?
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  Catherine Brooks DVMAug 27, 2025
  If the handset does not ring on your Panasonic Telephone, it could be that the ringer volume is turned off. Adjust the ringer volume. Alternatively, night mode may be turned on; turn it off.
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Sara DuncanAug 27, 2025
What to do if I cannot make a call on my Panasonic Telephone?
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  mandersonAug 27, 2025
  If you cannot make a call on your Panasonic Telephone, it might be due to the dialing mode being set incorrectly. Change the setting. Also, ensure the handset is not too far from the base unit; move closer and try again.
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wellscraigSep 17, 2025
Why is the 2nd caller's information not displayed on my Panasonic Telephone?
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  Derek MartinSep 18, 2025
  If the 2nd caller’s information is not displayed during an outside call on your Panasonic Telephone (Visual Call Waiting feature does not function), you must first contact your service provider/telephone company and subscribe to the desired service. After subscribing, you may need to contact them again to activate this specific service, even if you already subscribed to both Call Display and Visual Call Waiting services.
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Thomas CarrSep 14, 2025
Why is caller information displayed or announced late on my Panasonic KX-TG6511C?
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  mikesmithSep 14, 2025
  If the caller information is displayed or announced late on your Panasonic Telephone, the unit may display or announce the caller’s information at the 2nd ring or later. Also, move closer to the base unit.
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Lance KimSep 15, 2025
Why can't I dial the phone number edited in the caller list on my Panasonic KX-TG6511C?
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  Sara MccarthySep 16, 2025
  If you cannot dial the phone number edited in the caller list on your Panasonic Telephone, the phone number you dialed might have been edited incorrectly (for example, the long distance “1” or the area code is missing). Edit the phone number with another pattern.
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james68Sep 6, 2025
Why does my Panasonic Telephone have noise or sound cuts in and out?
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  margaretcoleSep 6, 2025
  If you are experiencing noise or the sound cuts in and out on your Panasonic Telephone, consider the following: * Ensure you are not using the handset or base unit in an area with high electrical interference. Re-position the base unit and use the handset away from sources of interference. * Move closer to the base unit. * If you use a DSL/ADSL service, connect a DSL/ADSL filter between the base unit and the telephone line jack.
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wmooreSep 3, 2025
Why has the time on my Panasonic KX-TG6511C shifted?
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  Suzanne EstradaSep 3, 2025
  If the time on your Panasonic Telephone has shifted, incorrect time information from incoming Call Display changes the time. Set the time adjustment to “Manual” (off).

Panasonic KX-TG6511C Specifications

General

Type	Cordless Phone
Number of Handsets	1
Frequency	1.9 GHz
DECT	Yes
GAP compatible	Yes
Answering machine	Yes
Speakerphone	Yes
Phonebook entries	50
Display	LCD
Talk time	Up to 10 hours
Number of batteries supported	1
Caller ID	Yes
Call Waiting	Yes
Backlit Display	Yes
Intercom	Yes
Battery type	Ni-MH
Range	300m outdoor / 50m indoor
Expandable	Up to 6 handsets