Factory Preset; Preset Inhibit (Initialization Inhibited); Preset Reserved (Initialization Reserved); Ad Data Check - Loewe INDIVIDUAL SOUND PROJECTOR Service Manual

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8. FACTORY PRESET

This menu is used to reserve and inhibit initialization of
the back-up RAM. The signals are processed using
EFFECT OFF. (The L/R signal is output using ANALOG
MAIN BYPASS.)

9. AD DATA CHECK

This menu is used to display the A/D conversion value
of the main CPU which detects panel keys of the main
unit and protection functions in % using the sub-menu.
During signal processing, the condition before
execution is maintained.
* The figures in the diagram are given as reference
only.
PS (Power supply voltage protection detection)
PS: Power supply voltage protection value (Normal
value: PS: 50 to 88)
* If PS is out of the normal value range, the protection
function works to turn off the power.
(Reference voltage: 3.3V=100%)
K0/K1 (Panel key of main unit) [Remote control code: –]
A/D of the key fails to function properly when the standard
value is deviated by ±4%. In this case, check the constant
of partial pressure resistor, solder condition, etc. Refer to
table 2.
(Reference voltage: 3.3V=100%)

PRESET INHIBIT (Initialization inhibited)

RAM initialization is not executed. Select this sub-menu to protect the values set by the
user.

PRESET RESERVED (Initialization reserved)

Initialization of the back-up RAM is reserved. (Actually, initialization is executed the next
time that the power is turned on.) Select this sub-menu to reset to the original factory
settings or to reset the RAM. Any protection history will be cleared.
[Table 2 ]
Display
K0
0+2
VOLUME +
10±2
INPUT
100-2
NO KEY
8. FACTORY PRESET
9. AD DATA CHECK
PS  (電源電圧プロテクションの検出)
K0/K1  (本体パネルキー)
K1
VOLUME -
NO KEY
SP-1
37

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