Binatone Lifestyle 1910 Twin Cordless Phone "registered mean" Questions

I cannot set the time and date on my cash register when I turn key PGM it shows "ae 01" and no 000 what do I do? Error 01 means that a previous activity has not been completed. Here is a link to the ...

Had to buy a new base for phones and got one phone with new base unit, within phone menus there is a place to Deregister the handset, but I can not locate how to Register the other handsets and ...

What does the code E 29 means??? "in the tender operation" ----meaning---- item registration is prohibited, while partial tender. ----Action---- finalize the transaction

Radio Shack 43-3880 5.8GHz digital answering system - error codes Base unit display flashing "8" and "88" repeatedly and then after several minuteseventually displays "E4" steadily. none of the keypad