Question about Motorola Mobility L4 Cordless Expansion Handset
On the Motorola L404 series, to deregister all handsets you unplug both the phone and power to the base station. Press and hold the 'find' button while plugging the power back in. The display will show "CL". Continue to hold the find button till the display shows '00' and all the handsets will show 'unregisterd'. You then proceed by registering all your handsets again in the order you want them listed.
Posted on Dec 04, 2012
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Posted on Jan 02, 2017
I have contacted Uniden about solving this problem. They suggested I clear the eeprom on the handsets and reset the base. To clear the eeprom detach all of the batteries and reattach while holding the star and pound. You'll hear a beep. Press select and the unit will clear the eeprom. Now hit end and the unit will say "Welcome...something or other". Next unplug the base unit reattach while holding delete. Next hit delete twice...the base is reset. Apparently this is the last possible solution to marrying the handsets and base. This didn't work for me and the units have been declared dead. Good luck in solving your electronic problems.
Posted on May 14, 2007
From: Uniden Customer Support
On most models you can find an option in the menu for De-register? In that case you would select that option and select to deregister the handset.
TRU88 models you go to the main menu and go to De-register HS select yes to deregister the Handset.
DCT5 and DCT6 models: Press menu on the handset. Go to System Reset and Press select. Go to Deregister HS and press select. Arrow up to yes and press select. Then go back into the menu. Go to system reset and press select. Arrow down to Replacing the base and press select. Arrow up to yes and press select.
DCT7 models: Press and hold "end" and "#" until the system reset menu appears on the display. Then follow the instructions from above for the DCT5 and DCT6 deregister procedures once your into the menu.
TRU4 and TRU5 models: Press and hold xfer/del and end until "de-register?" appears. Use the plus+ button to go up to yes and press select.
To register any of the following phones please see you owners manual under either:
•Register handset or
•Register the digital security code.
Posted on Mar 05, 2009
You can downlaod the manual from uniden in pdf form.
the -4 or -5 refers to how many handsets you set. The 1580 is the actual model number.
To register I think all you do is place them on the master pad once then on their own charger stations. On some models they come all done so you just plug them in charge them up and use them.
Posted on Mar 23, 2010
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