Panasonic KX-TGM420 User manual

Operating Instructions
Amplified Cordless Telephone with Digital
Answering Machine
Model No. KX-TGM420
KX-TGM450
Before initial use, see “Getting Started” on
page 27.
Thank you for purchasing a Panasonic product.
Please read these operating instructions before using
the unit and save them for future reference.
For assistance, visit our Web site:
http://shop.panasonic.com/support for customers in
the U.S.A.
Please register your product:
http://shop.panasonic.com/support

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Table of Contents
Introduction .......................................................6
Model composition .............................................. 6
Accessory information ......................................... 6
Graphical symbols for use on equipment and their
descriptions ......................................................12
Important Information .....................................15
For your safety..................................................15
Important safety instructions...............................21
For best performance .........................................22
Other information ..............................................25
Specifications....................................................26
Getting Started .................................................27
Setting up ........................................................27
Connections......................................................27
Controls ...........................................................39
Display icons.....................................................44
Language settings..............................................46
Date and time ...................................................47
Recording your greeting message.........................48

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Other settings ...................................................49
Accessibility......................................................50
Accessibility......................................................50
Tone control......................................................50
Volume booster .................................................53
Speech booster (making your voice louder) ...........57
Talking keypad and phonebook............................58
Key tones .........................................................60
Message indicator ..............................................60
Slow talk ..........................................................62
Using assistive listening devices...........................64
Making/Answer Calls........................................67
Making calls......................................................67
Answering calls..................................................69
Useful features during a call ................................72
Intercom ..........................................................80
Call block ..........................................................83
Call Block .........................................................83
Storing unwanted callers.....................................84
Phonebook........................................................90
Phonebook........................................................90

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Memory dial......................................................98
Programming..................................................102
Menu list ........................................................102
Alarm.............................................................121
Silent mode ....................................................124
Other programming .........................................126
Registering a unit ............................................127
Caller ID Service.............................................129
Using Caller ID service .....................................129
Caller list........................................................132
Answering System ..........................................135
Answering system............................................135
Turning the answering system on/off..................136
Greeting message............................................137
Listening to messages ......................................139
Advanced new message alerting features ............144
Remote operation ............................................150
Answering system settings................................154
Useful Information..........................................157
Voicemail service.............................................157
Wall mounting.................................................162

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Error messages ...............................................168
Troubleshooting...............................................171
FCC and other information ................................188
Appendix.........................................................197
Customer services ...........................................197
Limited Warranty (ONLY FOR U.S.A.)..................198
Panasonic Products Limited Warranty..................198
Index..............................................................203
IMPORTANT!...................................................206
For your future reference..................................207

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Introduction
Model composition
Series Model
No. Base unit Handset
Part No. Part No. Quantity
KX-TGM420
series KX- TGM420 KX- TGM420 KX- TGMA44 1
KX-TGM450
series KX- TGM450 KX- TGM450 KX- TGMA45 1
Accessory information
Supplied accessories
No. Accessory item/Part number Quantity
1 AC adaptor*1, *2 1
2 Telephone line cord*2, *3 1
3 Wall mounting adaptor/PNKL1001Y3 1
4 Rechargeable batteries*4, *5 4

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No. Accessory item/Part number Quantity
5 Handset cover*6/PNYNTGMA44WR 1
6 Belt clip*7/PNKE2076Z1 1
*1 PNLV226X: KX-TGM420
PNLV236-0Y: KX-TGM450
*2 The AC adaptor and telephone line cord come
connected to the base unit at the time of
shipment.
*3 PQJA10075Y (Black cord), PQJA10075Z
(Transparent cord)
*4 The supplied rechargeable batteries in the handset
and base unit are installed with yellow insulation
sheets inserted between battery ends and the
terminals at the time of shipment. Remove the
yellow insulation sheets before use.
*5 See page 9 for replacement battery information.
*6 The handset cover comes attached to the handset
at the time of shipment.
*7 The belt clip comes attached to the handset at the
time of shipment.

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1 2
3 4
5 6

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Additional/replacement accessories
Please contact your nearest Panasonic dealer for sales
information (page 197).
Accessory
item Model number/Specifications
Rechargeable
batteries HHR-4DPA*1
•To order, please visit
http://shop.panasonic.com/support
Battery type:
– Nickel metal hydride (Ni-MH)
– 2 x AAA (R03) size for each
handset
Headset KX-TCA93, KX-TCA430
Range extender KX-TGA405*2
Key detector KX-TGA20*3
*1 Replacement batteries may have a different
capacity from that of the supplied batteries.

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*2 By installing this unit, you can extend the range of
your phone system to include areas where
reception was previously not available. This
product can be purchased online. Please visit our
Web site: http://shop.panasonic.com/support
*3 By registering the key detector (4 max.) to a
Panasonic Digital Cordless Phone and attaching it
to an easy-to-lose item in advance, you can locate
and find the mislaid item to which the key detector
is attached. Please visit our Web site:
http://www.panasonic.com/tga20
Other information
•Design and specifications are subject to change
without notice.
•The illustrations in these instructions may vary
slightly from the actual product.