3
KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U
KDC-U3049/U349A/U349G/U349R/U349S/U4049
1. Panel
ACCENT
SEARCH
RETURN
VOL
2. How to enter each Test Mode
Test Mode name
Operation
Production Test Mode
Press and hold [1] key and [3] key and reset.
Service Test Mode
In the STANDBY source, while pressing and holding [2] key, press [6] key for 7 seconds.
(Starting to press [2] key and [6] key at the same time can not be entered into the mode)
DC Error Information Mode
Press and hold [3] key and [6] key and reset.
✳
Transition to Test Mode shall be available during DC Error detection.
3. How to release each Test Mode
• Reset
• Momentary voltage drop
• ACC OFF
• POWER OFF
• Panel Detach
4. Production Test Mode
●
Default status immediately after the mode activation
It shall be same as normal RST start in other settings than the following.
Details
Difference in action
Period to prohibit TEL/LINE MUTE immediately after activation
(normally 10 seconds)
1 second
Mecha Initialize Action
Prohibited
Write-in to E2PROM when detecting a DC error
Prohibited
Demo Mode ON/OFF Setting Menu
Prohibited
Power supply during ACC OFF (Back Up On)
MUTE terminal turns OFF after 2 seconds
BEEP sound
Beep with short-pressing in any functions
Various setting value
Volume
30 (-10dB)
BASS BOOST/LOUD
OFF
EQ
NATURAL
Fader/Balance
Center
DEMO Mode Setting
OFF
AUX Setting
ON1
NAVI MUTE Setting for Japan
Detecting function valid (ATT)
TEST MODE