PD17012GF-058_15 Datasheet, PDF (52/94 Pages) Renesas Technology Corp – PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LW TUNER (AUTOMOBILE APPLICATION)

µPD17012GF-058
Momentary key
Description
VOL SEL
The VOL SEL key is used to select an electronic volume control mode. There are five electronic volume
control modes as listed below:
Mode
Function
Volume Controls the main sound volume.
Bass Controls the bass.
Treble Controls the treble.
Balance Controls the sound volume from the right- and left-side
speakers.
Fader Controls the sound volume from the front and rear speakers.
Panel display
(initial setting)
Either of the modes listed below is selected depending on the state of the VKYSEL initial setting diode.
Each time the VOL SEL key is pressed, the mode switches as listed below.
VKYSEL
Description
0
The first mode selected is bass mode.
VOL SEL
1 PUSH
Bass
START
Tremble
Balance
Volume
Fader
1
The first mode selected is volume mode.
VOL SEL
1 PUSH
Volume
START
Bass
Treble
Fader
Balance
(1: Shorted by the diode; 0: Open)
50