Kenwood KR-A4010 Service Manual page 12

KR-A4010
12
CIRCUIT DESCRIPTION
Function
Each time the key is pressed, the preset group is alternated between A preset (1 - 8 or
1 - 10)and B preset(1 - 8 or 1 - 10) for recalling or storing. When pressed in the memory
write mode, the writing time is set to 5 seconds after pressing the key.
CD
PHONO
VIDEO
Used only when the unit is set to the receiver mode. By pressing any of these select keys.
the data is transmitted to the Selector IC and the input source is changed.
@ Keys related with the Tuner (except for the Preset and Band keys) are not accepted
other than when the input selector is set to TUNER.
@ When any input source other than TUNER is selected, pressing the Band key or Preset
key will change the selector to TUNER.
@ When the input selector which is the same as the current source is selected, muting
does not function.
Tape monitor key.
@ When pressed, the input source indicator LED (TUNER, CD, PHONO or VIDEO) is not
changed but the Selector IC is changed.
@ When the Preset Scan or Frequency Scan is engaged with the selector TUNER
selected. pressing this key does not stop the scanning operation.