M e n u f u n c t i o n s68Note: It is not possible to measure the estimated noise level of a callin progress. Also, you can not use Sound meter when the FM radio ison.When you press Options you get a list of four choices:• With Reset peak you can reset the peak value.• With Hold peak both values are shown but the peak value isupdated only when the current noise level is greater than the peakvalue.• With Dynamic peak both values are shown but the peak value isvalid only for 5 seconds• With Noise tuning you can simulate the sensitivity of hearingmechanism for different frequencies. You can choose between lownoise (sounds < 85 dB) and loud noise (sounds > 85 dB).n Connectivity (Menu 12)InfraredWARNING: Do not switch the phone on when wireless phone use is prohibitedor when it may cause interference or danger.You can set up the phone to receive data through its infrared (IR)port. To use an IR connection, the device with which you want toestablish a connection must be IrDA compliant. You can send orreceive data such as business cards and calendar notes to or from acompatible phone or data device (for example, a computer) via the IRport of your phone.Do not point the IR (infrared) beam at anyone's eye or allow it to interferewith other IR devices. This device is a Class 1 Laser product.Sending and receiving data via IR• Ensure that the IR ports of the sending and receiving devices arepointing at each other and that there are no obstructions betweenthe devices. The preferable distance between the two devices in aninfrared connection is one meter at most.• To activate the IR port of your phone to receive data via IR, pressMenu, and select Connectivity and Infrared.