Sony STR-DA6400ES Service Manual page 24

STR-DA6400ES
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FLUORESCENT INDICATOR TUBE PATTERN CHECK
MODE
All fl uorescent segments are tested. When this test is activated, all
segments turn on at the same time, then each segment turns on one
after another.
Procedure:
1. While pressing the [MOVIE] and [MENU] buttons, press the
[POWER] button to turn on the main power.
2. All segments and all LEDs turn on. Each time [DISPLAY] but-
ton to change as follows all on, test pattern 1, test pattern 2, all
off, all on in this order.
S.F LOCK ON/OFF CHANGE MODE
Procedure:
1. While pressing the [MUSIC] and [MENU] buttons, press the
[POWER] button to turn on the main power.
2. Either the message "SF LOCK [OFF]" or "SF LOCK [ON]"
appears.
SOUND FIELD CLEAR MODE
The preset sound fi eld is cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While pressing the [MUSIC] button, press the [POWER] but-
ton to turn on the main power.
2. The message "S. F. Initialize" appears and initialization is per-
formed.
TUNER AM STEP CHANGE (9 kHz/10 kHz) MODE
Either the 9 kHz step or 10 kHz step can be selected for the AM
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channel step.
Procedure:
1. Press the [POWER] button to turn on the main power.
2. Turn the [INPUT SELECTOR] dial to select the "AM".
3. Press the [POWER] button to turn off the main power.
4. While pressing the [TUNING MODE] button, press the
[POWER] button to turn on the main power.
5. Either the message "AM 9k Step" or "AM 10k Step" appears,
select the desired step.
MEMORY CLEARING MODE
All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While pressing the [TONE MODE] and [HDMI IN] buttons,
press the [POWER] button to turn on the main power.
2. The message "MEMORY CLEARING***" appears and the
memories are reset to the default values.
3. When done, the message "MEMORY CLEARED*" appears.
COMMAND MODE CHANGE MODE
The command mode of the remote-commander which this set re-
ceives can be changed.
Procedure:
1. While pressing the [2CH/A. DIRECT] button, press the [POW
ER] button to turn on the main power.
2. Either the message "COMMAND MODE [AV1]" or "COM
MAND MODE [AV2]" appears. Select the desired mode.
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