PWR Turns the phone on and off.

SEND Initiates a phone call to the number in the display. Answers the call when a ringing tone is heard. This is a slow action key, which means it must be pressed for over one (1) second.

Momentary pressing during a conversation acts as a "hook-flash" request.

END Ends a call.

This is a slow action key to prevent accidental termination. Press the key for about one (1) second. If the phone is in the extended function mode, the "END" key can be used to exit from any stage of the function mode.

P This key is used for one touch dialing. A call can be initiated to the number stored in the P (programmable) memory by pressing this key.

This is a slow action key designed to prevent accidental dialing. The key should be pressed and held down for about one (1) second when one touch dialing is desired.

FCN For five seconds after depression, various extended functions can be engaged by entering a specific digit. This function is described later in more detail.

CLR Momentary depression clears the last entered digit. All digits are cleared by continuous depression.

If the phone is in the sub-function menu mode, the user may use the "CLR" key to exit from any stage of the function mode.

STO Stores up to 32 digits in one of 39 memory locations. Press "STO" and a number (01 through 39).

RCL Recalls the numbers stored in the 39 memory locations. Press "RCL" and a number (01 through 39).

s / t By using the s / t keys, the volume level can be adjusted to one of seven (7) settings. The volume level is stored until the user changes the volume setting. The volume level can be adjusted depending on the phone's mode:

Conversation mode: Conversation volume.

Non-conversation mode: Key tone volume. Minimum level is tone "OFF".