My Panasonic KX-TG2740 will not keep correct time.

There are batteries for this cordless phone from ~18$ to ~20$ at Amazon.com

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New = Unfortunately, there are no more new items for this phone. Used = $48.99 - $119 available at www.AMAZON.com (Good Condition) Refurbished = $127.99 - $129 available at www.AMAZON.com (Good Condition)

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Jas247

Press CONF/FUNCTION key, scroll to Ringer Setting by using the up or down arrow of the center navigator key, then press the right arrow. Press the right arrow again at Ringer Volume. Press the down arrow to select Line 1. Press the up or down arrow to choose the ringer volume you want. Press the right soft key SAVE, a confirmation beep will sound.

The ringer volume can also be set while a call is ringing in on the line. Make a call to Line 1 number, use up or down arrow key while phone is ringing to adjust volume of Line 1 ringer.

The following link is for the manual in pdf format.

http://service.us.panasonic.com/OPERMANPDF/KXTG2740S.PDF

http://service.us.panasonic.com/OPERMANPDF/KXTG2740S.PDF

Panasonic KX-TG2740 user manual is available in the following link,

http://www.fixya.com/support/p123254-panasonic_kx_tg2740_cordless_phone/manual-7363#

Page 20 contains the details about setting the date and time.
Page 40 contains the details for the caller ids service.

Good luck :)

Here's a link to the manual. Page 28 will tell you how to do it. Good luck!

Link to manual:

http://www2.panasonic.com/consumer-electronics/support/Phones-Fax/Telephones/Expandable-Systems/model.KX-TG2740S

• Step 1Begin the recording process by first locating the "Change" button on your answering machine. This button initializes the answering machine for adjustments to the settings of the various features.
• Step 2:Locate the microphone on your answering machine and lean towards it until you are about nine inches away.
• Step 3:Locate the "Annc" button. Press and hold the "Annc" button until it beeps. Begin recording your message.
• Step 4:Watch the message window while you are recording your message. It keeps track of how much time has elapsed since you began recording. You can record a message that is up to three minutes long.
• Step 5:Locate the "Stop" button and press it when you have finished recording your message. The answering machine will play your message back at this point. If you are not satisfied with your message, repeat the steps to record it again.
• Step 6:Press "Annc" if you want to listen to your message again.

i found this i hope it helps

I downloaded the instruction manual, based on someone else's solution to a different question about the same product.

Hi,

Unfortunately, it is not retrievable.

press function button on handset, scroll to initial setting, select by pressing right arrow, scroll to registration, select, select hs registration, follow directions on handset display, pressing mute on "new" base station, and ok on handset(plugged in). If you like, you can unregister with the "old" base unit first.