132Customize Menu Settings for Individual Use (Set Mode)Set Mode: TX/RX Menu OperationsPress and hold the key for over one second to display “SETUP MENU”, then touch[TX/RX] to display the sub-menu items. Set each item under the sub-menu.After completing the setup, press to exit from Set mode.Reducing Receiver SensitivityAttenuator (ATT) FunctionIf the signal from the remote station is too strong or, a strong signal exists nearby thatinterferes with reception, use the attenuator (ATT) function to reduce interference byselecting [1 MODE] → [1 ANTENNA ATT].For details, see “Attenuator (ATT) Function (except AM broadcasts and AM broadcasts)”on page 50.TipThe amount of attenuation by the attenuator (ATT) is about 10 dB.Setting the Transmit Modulation LevelThe transmit modulation level can be set to half of its usual level.Select [OFF] for normal amateur operation.1 Touch [1 MODE].2 Touch [2 HALF DEVIATION].3 Rotate the DIAL to select the desired setting.OFF Normal transmission modulation levelON The level is half of the normal transmitmodulation level.Remark The default setting: OFF