2. Display / LED check mode
2.1. Starting up
·While holding down buttons the "
X
" and "
SETUP
" buttons simultaneously, insert the AC plug to turn the power on.
·Next, press the "
SETUP
" button.
2.2. Actions
·The display and all LEDs light and then go out in a 1 second interval.
·The "
INPUT SELECTOR
" is disabled.
·Press and hold the "
SETUP
" button in this mode for more than 1 second to switch to auto standby test mode.
·Press the "
SETUP
" button in this mode to switch to the Protection History Display Mode.
·Remove the AC plug to exit this mode.
3. Protection History Display Mode
Displays the latest protection detected by this unit.
3.1. Starting up
While holding down buttons the "
X
" and "
SETUP
" buttons simultaneously, insert the AC plug to turn the power on.
·Next, press the "
SETUP
" button 2 times.
3.2. Operations
·The "
INPUT SELECTOR
" is disabled.
With the protection history displayed, press and hold the "
SETUP
" button for over 5 seconds to clear the protection his-
tory.
·Furthermore, the history is cleared in the initialization mode.
(a)No detected history
FLD
L1
N O
L2
P R O T E C T
(b)DC protect
FLD
L1
D C
L2
P R O T E C T
Displayed when a power supply error is detected in the power supply line (DC +3.3V, +5V, +42V(for FLT), ±12V, ±
32V (for D-AMP)).
(c)Speaker Protect
FLD
L1
S P E A K E R
L2
P R O T E C T
Displayed when there is a D-AMP output error, or when a short circuit is detected in the speaker output.
(d)Thermal error detection
FLD
L1
T H E R M A L
L2
P R O T E C T
Displayed when a D-AMP abnormal temperature increase is detected.
·Press the "
SETUP
" button in this mode to switch to the "
Factory Initialization Mode
".
·Remove the AC plug to exit this mode.
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