Denon AVR-X3300W Service Manual page 122

3-2.4. Clearing the Protection History
There are two ways to clear the protection history.
(a) Activate Protection History Display Mode. Press the "STATUS" button to display the protection his-
tory. Press and hold the "DIMMER" button for 3 seconds.
PRT:DC
Press and hold the "DIMMER" button for 3 seconds.
PRT:CLEAR
The above message is displayed and the protection history is cleared.
NO PROTECT
(b) Initialize this unit. (See "Initializing This Unit")
b Use the method in 3-2.4. (a) if you do not want to erase your settings from this unit.
Warning Displays by POWER LED
If the power is turned Off while a protection is being detected, the POWER LED flashes in red to warn
you depending on the protection status as follows.
(a) ASO/DC protection: Flashes at 0.5-second intervals (0.25 seconds lit, 0.25 seconds unlit)
(b) THERMAL (A/B) protection: Flashes at 2-second intervals (1 seconds lit, 1 seconds unlit)
(c) CURRENT protection: Flashes at 4-second intervals (2 seconds lit, 2 seconds unlit)
3-3. 232C Standby Clear Mode
3-3.1. Actions
Switches from 232C standby mode to normal standby mode.
3-3.2. Starting up
2. While holding down buttons "ZONE2 SOURCE", "DIMMER" and "STATUS" simultaneously, press the
power button to turn on the power.
Select the "3.RS232C RESET" using the "TUNER PRESET CH+" button, then press the "STATUS" but-
ton then to confirm.
3.RS232C RESET
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