Introduction
This manual provides detailed instructions for the proper setup, operation, and maintenance of your Panasonic KX-TGA681EXS cordless telephone. Please read this manual thoroughly before using your new phone to ensure safe and optimal performance. Keep this manual for future reference.

Image: The Panasonic KX-TGA681EXS cordless phone, showing the handset and its charging base. The handset features a display screen and a numeric keypad.
Setup
1. Unpacking
Carefully remove all components from the packaging. Ensure you have the handset, base unit, AC adapter, telephone line cord, and two AAA rechargeable batteries.
2. Battery Installation
- Open the battery compartment cover on the back of the handset.
- Insert the two supplied AAA NiMH rechargeable batteries, observing the correct polarity (+ and -).
- Close the battery compartment cover securely.
Note: Only use the specified rechargeable NiMH batteries. Non-rechargeable batteries may cause damage or explosion.
3. Base Unit Connection
- Connect the AC adapter to the base unit and plug it into a standard electrical outlet.
- Connect the telephone line cord to the base unit and plug the other end into a telephone wall jack.
- Place the handset on the base unit to begin charging. The initial charge takes approximately 7 hours.
Important: Ensure the base unit is placed in a central location, away from other electronic devices that may cause interference.
Operating Instructions
Making and Receiving Calls
- To Make a Call: Press the TALK button, then dial the phone number. Alternatively, dial the number first, then press TALK.
- To Receive a Call: When the phone rings, press the TALK button.
- To End a Call: Press the OFF button or place the handset back on the base unit.
- Volume Adjustment: During a call, use the Volume Up/Down buttons on the side of the handset to adjust the earpiece volume.
Phonebook
The phonebook can store up to 120 numbers. To add a contact:
- Press the MENU button.
- Navigate to "Phonebook" and select "Add New Entry".
- Enter the name and phone number using the keypad.
- Press SAVE.
Once programmed on one handset, phonebook entries are accessible on all registered handsets.
Call Blocking
Block up to 50 unwanted numbers to reduce nuisance calls.
- Press the CALL BLOCK button (or navigate via MENU).
- Select "Add Number" and enter the number you wish to block.
- Confirm the entry.
Intercom Function
If you have multiple registered handsets, you can make internal calls between them.
- Press the INTERCOM button.
- Dial the number of the desired handset (e.g., "2" for handset 2).
- The other handset will ring.
Ringtones and Alarms
- Ringtones: Choose from 40 different ringtone melodies. Access this setting via the MENU.
- Alarms: The handset features three independent alarm settings. Configure these through the MENU.
ECO Mode
The phone is equipped with an ECO mode that reduces wireless radiation by up to 99% when the handset is on the base unit and not in use. This feature operates automatically.
Maintenance
Cleaning the Unit
Wipe the exterior surfaces of the handset and base unit with a soft, damp cloth. Do not use abrasive cleaners, waxes, or solvents. Ensure no liquid enters the unit.
Battery Care and Replacement
The included NiMH batteries are designed for long life. If you notice a significant decrease in talk time or standby time, it may be time to replace them. For optimal performance, use Panasonic eneloop or eneloop pro AAA NiMH rechargeable batteries.
- Always replace both batteries at the same time.
- Dispose of old batteries according to local regulations.
Troubleshooting
If you experience issues with your phone, please refer to the following common solutions before contacting support.
| Problem | Solution |
|---|---|
| No dial tone |
|
| Handset does not charge |
|
| Poor call quality or static |
|
| Display is blank or unreadable |
|
Specifications
| Feature | Detail |
|---|---|
| Model Number | KX-TGA681EXS |
| Brand | Panasonic |
| Telephone Type | Cordless |
| Color | Silver |
| Product Dimensions (L x W x H) | 3.39 x 4.21 x 3.03 inches |
| Item Weight | 12.2 ounces (346 Grams) |
| Batteries | 2 AAA NiMH rechargeable batteries (included) |
| Power Source | Corded Electric |
| Material | Metal |
| Answering System Type | Digital |
| Phonebook Capacity | Up to 120 entries |
| Call Block Capacity | Up to 50 numbers |
Warranty and Support
Your Panasonic KX-TGA681EXS cordless phone is covered by a limited warranty. For specific warranty terms and conditions, please refer to the warranty card included in your product packaging or visit the official Panasonic support website. If you require technical assistance or have questions not covered in this manual, please contact Panasonic customer support.
Online Support: www.panasonic.com/support





