KX TGD390C Panasonic Phone Manual

The Panasonic KX-TGD390C is a DECT 6.0 cordless phone system featuring a digital answering machine, call blocking, intercom, speakerphone, backlit keypad, and up to 6 handsets. It offers clear sound quality, long battery life, and easy setup. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Using the Answering Machine 8. Advanced Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Base Unit, Handset(s), AC Power Adapter, Telephone Line Cord, Battery Pack, User Manual.

FeatureDescription
DECT 6.0 TechnologyClear sound, secure connection, interference-free operation
Digital Answering MachineUp to 18 minutes recording time, remote message retrieval
Call BlockBlock unwanted calls with up to 250 numbers
IntercomHandset-to-handset and handset-to-base communication
SpeakerphoneHands-free conversation on handset and base
Backlit Keypad & DisplayEasy dialing in low light conditions
Battery IndicatorShows remaining battery level on display
ECO ModeReduces power consumption when idle
PhonebookStore up to 50 contacts per handset
Caller ID/Call WaitingDisplays caller information (service subscription required)

Installation

Unpack and inspect contents. Place base unit on stable surface.

  1. Charge handset: Insert battery, place on base for 7 hours initial charge.
  2. Connect telephone line: Plug line cord from wall jack to TEL LINE port on base.
  3. Connect power: Plug AC adapter into base and electrical outlet.
  4. Register additional handsets: Follow on-screen prompts or press HANDSET LOCATOR on base.

WARNING! Use only supplied Panasonic adapter. Do not place near microwave ovens or other interference sources.

First-Time Setup

Power on base and handset; follow prompts.

  1. Set language: Press MENU, select SETTINGS > LANGUAGE > ENGLISH.
  2. Set date/time: Press MENU, select SETTINGS > DATE/TIME.
  3. Program phonebook: Press MENU, select PHONEBOOK > ADD ENTRY.
  4. Configure answering machine: Press MENU, select ANSWERING MACHINE > SETTINGS.

CAUTION! Ensure proper ventilation; do not cover base unit during operation.

Specifications

Controls and Settings

Access menu via MENU button on handset. Handset Controls: TALK/FLASH, OFF, VOLUME, INTERCOM, SPEAKERPHONE, MENU, NAVIGATION arrows, SELECT.

Base Unit: HANDSET LOCATOR, PAGE, ANSWER ON/OFF, VOLUME, DELETE, PLAY/STOP.

Settings: Language, Date/Time, Ringtones, Display Contrast, Key Tone. Phonebook: Add, Edit, Delete entries. Call Block: Add numbers, view blocked calls list. Intercom: Call between handsets or to base. ECO Mode: Enable/disable in SETTINGS menu.

Connecting Devices

Telephone Line: Standard RJ11 cord. Additional Handsets: Register via base unit.

  1. Ensure base is powered and connected to phone line.
  2. On new handset, press and hold HANDSET LOCATOR on base until registration starts.
  3. Follow prompts on handset display.
  4. Repeat for additional handsets (up to 6 total).

Tip: Keep base unit away from metal objects and electronic devices to prevent interference.

Using the Answering Machine

Digital answering machine with remote access.

  1. Set greeting: Press MENU > ANSWERING MACHINE > GREETING > RECORD.
  2. Adjust number of rings: MENU > ANSWERING MACHINE > RINGS (2-10).
  3. Play messages: Press PLAY/STOP on base or handset.
  4. Remote playback: Dial your number, press * during greeting, enter remote code (default: 0000).
  5. Delete messages: Press DELETE during playback.

WARNING! Do not disconnect power during recording; messages may be lost.

Advanced Features

Call Block: Add numbers via CALL BLOCK menu or from call log. Intercom: Press INTERCOM, select handset/base number. Speakerphone: Press SPEAKERPHONE during call. Phonebook Direct Dial: Select entry and press TALK.

Care & Cleaning

Unplug power before cleaning. Wipe with soft, dry cloth. Do not use liquids or abrasive cleaners.

CAUTION! Avoid extreme temperatures and humidity. Keep battery away from fire.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. This device complies with Part 15 of FCC Rules. Copyright © Panasonic Corporation of North America. For support, visit www.panasonic.com or contact 1-800-211-7262.

Troubleshooting

SymptomPossible CauseCorrective Action
No dial toneLine/power connectionCheck phone line cord; ensure base is powered; try different wall jack.
Handset not chargingBattery/contactsClean charging contacts; ensure handset seated properly; replace battery if old.
Poor sound qualityInterference/low batteryMove away from electronic devices; charge handset fully.
Answering machine not workingSettings/powerEnsure ANSWER ON/OFF is enabled; check power connection.
Handset not registeringDistance/other devicesPlace handset close to base during registration; power cycle base.

Reset: Press and hold HANDSET LOCATOR on base for 10 seconds to reset all settings.

Service: 1-800-211-7262; www.panasonic.com

KX TGD390C Panasonic Phone Manual © - All Rights Reserved 2025