User Guide for the W52 Cordless PhoneBASIC OPERATIONS21To turn the handset off via the handset:1. Long press again when the handset is idle.Adjusting Ringer VolumeYou can adjust the ringer volume of your handset according to the noise level of the surrounding environment. Theringer volume can be adjusted using the menu or the predefined shortcuts (left and right navigation keys) on thekeypad when the handset is idle. The handset supports 5 different ringer volume levels. The default level is 3.For more information on adjusting the ringer volume using the menu, refer to Ring Tones on page 25.To adjust ringer volume using the predefined shortcuts via the handset:1. Press or when the handset is idle.2. Press to decrease the ringer volume, or press to increase the ringer volume.3. Press the Save soft key to accept the change or the Back soft key to cancel.If the ringer volume is adjusted to the minimum, the icon will appear on the status line.NOTE:Locking/Unlocking KeypadYou can lock the handset keypad to prevent keys from being accidentally pressed.To lock the keypad via the handset:1. Long press when the handset is idle until the LCD screen prompts“Keypad Locked, Press and hold ‘#’ to unlock!”.2. The keypad is locked and the icon appears on the status line.3. You can still answer or reject incoming calls as usual. You can also end the answered call by pressing .To unlock the keypad via the handset:1. Long press again until the LCD screen prompts “Keypad Unlocked”.The keypad is unlocked and the icon disappears from the idle screen.If the keypad is locked, only the emergency numbers can be dialed out. You must enter theemergency number continuously.NOTE: