Sharp GX17 User Guide - Page 111
Master Reset, Settings, Security, PIN Entry, Change, Change PIN2, Handset Lock, Change code
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To Change PIN Code This allows you to change the PIN code stored on the SIM card. Before you change the PIN code, select "On" in step 1 in "Enabling/Disabling the PIN Code" on page 109. "Settings" → "Security" → "PIN Entry" → "Change PIN" 1. Enter the existing PIN code. 2. Enter a new PIN code. 3. Enter the new PIN code again. Changing PIN2 Code (M 9-9-3) PIN2 code is used to protect certain functions in the phone such as Fixed Dialling No. and call cost limits. The following shows you how to change PIN2 code. "Settings" → "Security" → "Change PIN2" 1. Enter the existing PIN2 code. 2. Enter a new PIN2 code. 3. Enter the new PIN2 code again. Handset Lock (M 9-9-4) The Handset Lock is an additional security feature which prevents unauthorised use of the phone or certain features. "Settings" → "Security" → "Handset Lock" 1. Select "On" or "Off". 2. Enter your handset code. To Change Handset Code Before you change the handset code, select "On" in step 1 in "Handset Lock". The default handset code is "0000". "Settings" → "Security" → "Handset Lock" → "Change code" 1. Enter the old handset code. 2. Enter a new handset code. 3. Enter the new handset code again. Master Reset (M 9-0) All settings can be reset to their default settings. "Settings" → "Master Reset" 1. Enter your handset code. 110 Settings