Cambridge Audio 840A - Page 60

To rename inputs:
Press and hold the relevant input select button. Letters in the name are selected by turning the volume
knob.
To access the conguration menu:
Press and hold the Mode button. These are the menu options:
Clip detector on/o
LCD brightness (o/dim/bright)
Input gain trim menu access
Volume ramp on/o
Volume display: -84 to 0 dB or 0 to 72 units
Fixed input gain menu access
To adjust the gain of an input:
Press the button next to INP TRIM
Select the input required
Use volume knob to set gain between 0 and -12 dB
(the available range is restricted if the volume is set very low)
Press Mode button to return to volume display
To set up xed input gain
Press the button next to FIXED INP
Select the input required
Set the xed gain using the volume control.
(the OFF setting does not disable the input- it leaves the input gain
subject to the volume control)
Press Mode button to return to volume display
To access the service menu:
Hold in the Mode button when mains power is switched on. These are the menu options:
Speaker short detection on/o
DC oset detect on/o
XD system on/o
Counter access
Press Mode button to return to volume display
The counter page keeps a total of the number of times these events have occurred:
Clipping detected CL
DC oset detected DC
Overload protection OV
Overtemperature shutdown TM
Speaker short detected SH
Time on in hours ON
Press Mode button to return to service menu
To reprogram the PICs:
Hold in the ON/standby button when mains power is switched on. The word DOWNLOAD appears on
the LCD.
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