Bang & Olufsen BeoSound 3000 2671 Service Manual page 56

5.8 Testmodes, English
TM28
TM31
TM32
TM34
TM35
TM36
This TM checks the function of ROM, RAM, EEPROM. (O, A, P).
To readout TM, O and A have to be (+).
E.g. MEM ++- indicates error in the EEPROM.
Default settings for sale purpose.
Option: 1
Volume: 32
Balance: 0
Bass: 0
Treble: 0
Loudness: OFF
Radio programs erased.
CD settings erased.
Timer settings erased.
After default settings the display shows DEFAULT TM ERROR.
If error occurs in TM the display will show TM ERROR.
Item-number, serial-number, type-number, master pin-code, running counter and
all offset adjustments will not be erased.
ID-readout of the product.
Press PLAY to toggle between the ID-numbers.
Item = 7 fi gures.
Type = 4 fi gures.
Serial = 8 fi gures.
MA PIN = OK or ERR.
If error in the readout all fi gures = 0.
Option readout.
Power down ON.
When power down mode is possible the display = TM OK.
Power down OFF.
When power down mode is not possible the display = TM OK.