Dolby Laboratories DP564 - Manual (Page 24)

DP564 Multichannel Audio Decoder Front-Panel Controls
3-6
3.2.6 Special Button Functions
Under certain conditions, you may need to reset the DP564. Table 3-1 shows the
button combinations to use in those cases.
Table 3-1 Special Button Functions
Function Action; Result
Hardware Reset
Press
Shift
+
Esc
+ ► simultaneously; the DP564 reboots.
Firmware Upgrade
During reboot, press and hold
Setup
; the status display
gives you the option of upgrading the unit firmware or
completing the boot sequence.
Factory Reset
During reboot, press and hold
Enter
; the status display
gives you the option of restoring factory defaults or
completing the boot sequence.
Note: Restoring factory defaults includes all presets and
GPI/O configuration assignments.
3.3 LED Indicators
Figure 3-2 shows the LED lights on the front panel. Table 3-2 provides definitions of
the LED indicators.
Error
Remote
Fault
AES Ref AES Ref
Dolby Digital Dolby Digital
Figure 3-2
LED Indicators
Table 3-2 LED Status Definitions
LED Status Meaning
Off Not decoding Dolby Digital.
Dolby Digital
Blue Decoding Dolby Digital.
Off AES reference input is not selected.
Green AES reference input is selected and valid.
AES Ref
Red AES reference input is selected but valid signal is not
present.
Off Remote control is disabled.
Green Remote control is enabled and operating with no errors.
Remote
Red Remote control is enabled, but there is a serial
communications error.
Off All clear.
Fault
Red Hardware error.
Off System is passing or decoding audio.
Error
Red An error is preventing the system from passing or
decoding; DP564 output may be muted.