Yamaha PDM-4220 User Manual

Also see for PDM-4220: User manual Service manual

40Audio SwitchingOTHER FUNCTIONS (continued)NOTE• If sound signal is not strong enough for quality reception, press the CH I / II button until appears on the screen to receive a clear monosound.• If sound has hiss noise or keep switching between stereo and mono mode due to signal condition, press the CH I / II button untilappears on the screen to receive a clear mono sound.A2 / NICAM / Sound Multiplex (TV mode)• The CH I / II button is only useful for NICAM and sound multiplex signals.Otherwise pressing this button will have no effect.BILINGUAL / DUAL sound broadcastWhen bilingual program is received, sound mode display appears in yellow as shown onright.Press the CH I / II button to select the sound to be heard.Each time the button is pressed, I, II or (force mono) appear cyclically on the screen.When receiving NICAM signals, NICAM display will appear as below.STEREO sound broadcastWhen a stereo program is received, sound mode display will appear in red, and you canpress the CH I / II button to select between stereo and mono sound.Each time the button is pressed, or (force mono) appear cyclically on the screen.When receiving NICAM signals, NICAM display will appear as below.[I] [II]NICAM [I] NICAM [II]Sound multiplex signal receivedSelect I, II or (force mono) to hear the CH I, CH II or MONO broadcast respectively.NICAM signal receivedYellowYellowYellowYellowGreenGreenNICAMSound multiplex signal receivedSelect or (force mono) to hear the STEREO or MONO broadcast respectively.NICAM signal receivedRed GreenRed GreenMonaural sound broadcastWhen a monaural program is received, sound mode display will appear in green.You can press the CH I / II button to select the sound mode between monaural and forcedmono (sound is same).Each time the button is pressed, fi or (force mono) appear cyclically on the screen.8NICAM [II]88