CT-503 Handheld Flip-Style Cellular Telephone (170-1112) Security LOCKING YOUR PHONE To prevent unauthorized use of your phone, you can enter a three-digit code to lock your phone at any time (see "Using Manual Lock", below). For added convenience, you can also set the phone to automatically lock every time you turn it off (see "Using Automatic Lock" below). When the phone is locked, Loc'd appears when you press any key (except [PWR]). When the phone is locked and receives a call, it rings as usual. To answer the call, you must enter the lock code and then press [SND]. Your phone's preset lock code is 123. For added security, you can change the code to one that you can easily remember. See "Changing the Lock Code" below. Note: If you lock your phone then forget the lock code, you can enter a six-digit security code to display the lock code. See "Displaying the Lock Code" below. Using Manual Lock Follow these steps to lock your phone at any time. 1. Press [FCN], then hold down [JKL 5]. The phone displays Loc ?. 2. Press [STO] within 8 seconds. Loc'd appears on the display. To exit without locking the phone, press [END]. Note: If you do not press [STO] within 8 seconds, your phone automatically exits the lock program without locking the phone. The phone remains locked until you unlock it. To unlock your phone, simply enter the three-digit lock code. If you make a mistake, press [CLR] then try again. Using Automatic Lock The automatic lock feature lets you set your phone to automatically lock each time you turn it on. When automatic lock is enabled, Loc'd appears after the self test when you turn on the phone. You can unlock the phone as usual at anytime. Follow these steps to enable or disable automatic lock. 1. Press [FCN] [1]. 2. Repeatedly press [< *] or [# >] until the phone displays Auto Lock On or OFF. 3. Press [STO] so On appears (to enable) or [CLR] so OFF appears (to disable). 4. To exit the function menu, press [END]. Changing the Lock Code For added security, you can change the lock code, but you must enter a preset 6-digit security code first. Your phone's preset security code is 000000 (you cannot change this code). Follow these steps to change your phone's lock code. Note: The phone's display does not change (no characters appear when you press the keys) until you press [STO] in Step 4. 1. Press [FCN] [OPER 0]. 2. Enter the six-digit security code. 3. Enter the new three-digit lock code you want to use. 4. Press [STO]. The phone displays ChAngEd to and the new lock code. 5. When you finish, hold down [CLR] for about 1 second to clear the lock code from the display. Displaying the Lock Code If you change your lock code then forget it, you can use your phone's preset security code (000000) to display the current lock code. Follow these steps to display the current lock code. Note: The phone's display does not change (no characters appear when you press the keys) until you press [RCL] in Step 3. 1. Press [FCN] [OPER 0]. 2. Enter the six-digit security code. 3. Press [RCL]. The phone displays LocCode and the currently set three digit lock code. 4. When you finish, hold down [CLR] for about 1 second to clear the lock code from the display. USING THE SERVICE RESTRICTION Your phone is preset to let you (or anyone else) dial any type of number (local or long distance) and freely access any information stored in its memory. To prevent unauthorized use of your phone, however, you can enter your phone's preset security code (000000) and set this service restriction. Service Level Description 1 Calls can be placed only to numbers stored in memory locations 01-10 by pressing [RCL], the memory number, then [SND]. Otherwise, the keypad is locked. The memory cannot be changed. 4 No restrictions (default setting). Note: Your phone is preset to service level 4. Follow these steps to change the service restriction level on your phone. 1. Press [FCN] [OPER 0]. 2. Enter the six-digit security code. 3. Enter the service level (1 or 4) you want to use. 4. Press [STO]. The phone displays SErvicE LEvEL n, where n is the service level number you entered (such as SErvicE LEvEL 4). (5/28/98)