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KRC-851D
16
Key Name
CIRCUIT DESCRIPTION
Function
e VOL DWN
@VOL UP
@ Electronic VOL volume, bass, treble, balance or fade control keys, which are subject to turning ON/OFF by rotary encoder (phase
output).
@ AUDIO SELECT
@ Electronic VOL control mode select key, which performs a mode selection in the order of volume, bass, treble, balance, then fade.
Note: For electronic VOL operation speed and timing, refer to a separate section.
SK
@ SK (=BK) signal existence/nonexistence input key {alternate key), which is effective only when destination D is selected (with SOK ON).
When the SK (=BK) signa! exists, this key is subject to turning ON.
DK
[ DK signa! existence/nonexistence input key (alternate key), which is effective only when destination D is selected.
When the DK signal exists, this key is subject to turning ON.
@ LOUD ILLUM
@ When pressed slight, this key serves as the loudness ON/OFF key (initially loudness ON).
@ When pressed deep, this key serves as the illumination color selector (initially in amber).
@ AUTO
@ Tuner AUTO ON/OFF key (initially ON)
@ With rear SDK ON, this key serves as the SK SEEK (UP) key.
@LO AME
@in the TUNER mode, when pressed slight, this key serves as the LO/DX selector.
When pressed deep, auto memory is started. For auto memory operation, refer to a separate section.
@ With rear SDK ON, this key serves as the display content selector.
In TUNER made (common to 1 to 0):
@ When pressed slight, this key acts to call preset channel 1.
@ When pressed deep, this key acts to write to channel 1 the station frequency being now received.
@ For direct access, this key serves as a numeric value input key. For direct access, refer to a separate section.
in TAPE mode:
This key performs a DOLBY NR mode selection in a order as follows:
KEY IN
KEY IN
Initially OFF
KEYIN-
ms
(The NR setting is memorized unless initialized.)
n CD-CH mode: Not effective
n TAPE made:
This key serves as the blank skip SKIP ON/OFF key (initially OFF).
In CD-CH mode: Not effective
n TAPE mode: T-CALL ON/OFF key
n CD-CH: Not effective
n TAPE or CD-CH mode:
One-tune repeat ON/OFF key (initially OFF)
* The ON/OFF state should be memorized independently between these two modes.
n TAPE mode: Index scan ON/OFF key (initially OFF)
n CD-CH mode: Track scan ON/OFF key {initially OFF,
* The ON/OFF state should be memorized in either mode.
n TAPE mode: Not effective
n CD-CH mode: Disc scan ON/OFF key (initially OFF;
n TAPE mode: Not effective
n CD-CH mode: Random play ON/OFF key (intially OFF)
n TAPE mode: Not effective
n CD-CH mode: Memory play ON/OFF key
For memory play, refer to a separate section.
Tuner memory key
Tuner memory key
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