18C 40 1 2 Ha nds e t S ta nda rd 2 .0 0Subscribing the C4012 handsetThe handset can be subscribed to a maximum of five DECT systems. If thehandset is not subscribed or out-of-reach for a DECT system, no Baseappears on the display.SubscribingWith the handset in subscription mode, perform the following steps:1. Press PR2.d appears on the display.2. Enter the PIN code.Obtain PIN code from the DECT management system.3. Press o.The handset is subscribed.Selecting/changing the handset IDWith the handset in subscription mode, perform the following steps:1. Press PR3.Edit appears on the display.2. Enter the number of the DECT system to name or edit.Name of system appears on the display. On the first use, C4012 is thedefault handset ID.3. Enter the new handset ID using the keypad. This will overwrite the existingdigits.You can edit digits by pressing C.4. Press o.The handset ID contains a maximum of six digits.