VX-8GR OPERATING MANUAL 23ADVANCED OPERATIONAUDIO MUTINGThe Audio Mute feature is useful in situations where it would be helpful to reduce theaudio level of the “Receive Only” band (Small character display) whenever you receive asignal on the “Main” band (Large character display) during Dual Receive operation.To activate the Audio Mute feature:1. Press the f key, then press the 7 key. This provides a“Short-cut” to Set Mode Item 57: MUTE.2. Rotate the DIAL knob to select the desired muting level(MUTE 30%, MUTE 50%, MUTE 100%, or OFF).3. When you have made your choice, press the PTT switch to save the new setting andreturn to normal operation.When the Audio Mute feature is activated, the “ ” icon willappear on the display, and the “ ” icon blinks while muting the“Receive Only” band audio.To cancel the Audio Mute feature, just repeat the above proce-dures, selecting “OFF” in step 2 above.KEYPAD/LCD ILLUMINATIONYour VX-8GR includes a reddish illumination lamp which aids in nighttime operation.The red illumination yields clear viewing of the display in a dark environment, with mini-mal degradation of your night vision. Three options for activating the lamp are provided:KEY 2sec - KEY 10sec: Illuminates the Keypad/LCD for the selected illuminationtime when any key is pressed.CONTINUOUS: Illuminates the Keypad/LCD continuously.OFF: Disables the Keypad/LCD lamp.Here is the procedure for setting up the Lamp mode:1. Press and hold the m key for one second to enter the Set Mode.2. Rotate the DIAL knob to select Set Mode Item 41: LAMP.3. Press the m key briefly to enable selection of this SetMode Item.4. Rotate the DIAL knob to select one of the three modes de-scribed above.5. When you have made your choice, press the PTT switch tosave the new setting and return to normal operation.