Dual Backup Memory; Service Precautions; How To Clear The Backup Memory - Marantz SR6003 Service Manual

6. DUAL BACKUP MEMORY

This product has a Dual Backup Memory function. The
conventional Backup functions to memorize, in the EEP-
ROM (IC12) in the circuit, a current setting of the moment
the main power is turned off so that it can be restored when
it is turned ON again. Meanwhile, the DUAL BACKUP
MEMORY is capable of memorizing any arbitrary setting
that is configured while the product is in operation so as to
restore it at any time.
When servicing units returned from end-users for repairs,
use this function to back up the current setting (e.g. Tuner
Preset). This will enable the units to be returned to the users
after repairs, with the setting unchanged.
NOTE : If end-users use this function, the data will be
overwritten.
• HOW TO OPERATE
-Backup-
1. Configure a setting you would like to save in the
MEMORY and hold down the [MEMORY] and
[ENTER] buttons on the Front Panel at the same
time for 3 seconds or more.
2. The FL Display indicates "MEMORY SAVING" while
the Backup is being performed..
3. The FL Display indicates "COMPLETE" when the
Backup is completed.
-Recovery-
1. Hold down the [MEMORY] and [ENTER] buttons on the
Front Panel at the same time for 3 seconds or more.
2. The FL Display indicates "MEMORY LOAD" while
the Recovery is being performed.
3. After the FL Display indicates "COMPLETE",
the product goes into Standby mode. When the
power is restored, the Recovery is completed.
The FL Display indicates "NO BACKUP" if the
DUAL BACKUP MEMORY has not been activated
with no data to be recovered saved in the Memory.
This function does not back up the levels of Main
ZONE Volume, ZONE A Volume and ZONE A
Speaker Volume. When the Recovery is done, -
is indicated.

• SERVICE PRECAUTIONS

When the Flash Rom (IC23) on the INPUT PWB is replaced
or when the DSP CODE is rewritten for a version upgrade,
make sure, in order to maintain consistency with the Backup
Memory, to clear the DUAL BACKUP MEMORY in the
following way :

-How to clear the Backup Memory-

1. Hold down the [MENU] and [CLEAR] buttons on the
Front Panel at the same time for 3 seconds or more.
2. The FL Display indicates "BACKUP CLEAR" while
the memory is being cleared.
3. After the FL Display indicates "COMPLETE", the
operation is completed.
6. DUAL BACKUP MEMORY
本機は
Dual Backup Memory
通常の は製品の主電源が切られた時に､その時の状態を
Backup
回路上の
EEP-Rom (IC12)
その状態を復帰させますが､
動作状態にある任意の状態を
復帰させることが出来る機能です｡
この機能を使って
End User
させておけば､修理後に確認の操作をしても､
Back Up
していたときの状態
(Tuner
もできます｡
注意 がこの機能を使用していた場合はその
: End User
書きされてしまうので注意が必要です｡
操作方法
•
操作
-Backup -
製品を
1. Memory
と
[MEMORY] [ENTER]
けます｡
に
2. FL Display "MEMORY SAVING"
処理が行われます｡
に
3. FL Display "COMPLETE"
了です｡
操作
-Recovery -
上の
1. Front Panel
秒以上押し続けます｡
3
に
2. FL Display "MEMORY LOAD"
処理が行われます｡
に
3. FL Display "COMPLETE"
状態となり復帰後
Standby
この時、
DUAL BACK UP MEMORY
く､ する
Recovery
に
FL Display "NO BACKUP"
また､
Main ZONE Volume , ZONE A Volume ,
ZONE A Speaker Volume
この機能では
Backup
時の注意点
• Service
上の
INPUT PWB Flash Rom (IC23)
を 等の理由から書き換えた場合は､
CODE Version Up
との整合性の為に必ず次の方法で
Memory
の消去を行います｡
MEMORY
の
-Backup Memory
上の
1. Front Panel
秒以上押し続けます｡
に
2. FL Display "BACKUP CLEAR"
理が行われます｡
に
3. FL Display "COMPLETE"
了です｡
15
機能を持っています｡
に して､電源が
Memory ON
DUAL BACKUP MEMORY
して､いつでもその状態を
Memory
から修理依頼を受けた時の状態を
User
の 等 を復帰させて返却すること
Preset )
したい状態にして､
Front Panel
ボタンを同時に 秒以上押し続
3
と表示され
と表示されれば処理は完
と ボタンを同時に
[MEMORY] [MENU]
と表示され
と表示され製品は一度
処理が完了します｡
Recovery
操作がされてな
が されていない場合は
Data Memory
と表示されます｡
の各 値については
Volume
されずに ∞で
- Recovery
を交換した場合または､
Backup
DUAL BACKUP
操作
Clear -
と ボタンを同時に
[MENU] [CLEAR]
と表示され
と表示されれば処理は完
された時に
機能は､
が使用
は上
Data
上の
Backup
Recovery
されます｡
DSP
3
処
Clear