M2TECH Marley User Manual download pdf (Page 27)

marley

DUAL-DRIVE CLASS-A HEADPHONE AMPLIFIER / PREAMP

REVISION 1.0 – NOVEMBER 2013

M2Tech

www.m2tech.biz

Optionally, if the user changes her/his minds and goes for keeping the display

backlight intensity previously set, she/he only needs to push the button to the left of

the front panel (Figure 1, 1) or avoid doing any other action on the unit: after a few

seconds, the MARLEY automatically reverts to its “idle” status without changing the

display backlight intensity.

6.9. Firmware Revision

The MARLEY is operated by a microcontroller. It may be useful to know the revision of

the firmware being executed by the microcontroller. To display the firmware revision,

it is necessary to push the encoder seven times in balanced mode or eight times in

dual single-ended mode: the firmware revision is then displayed as shown in Figure

14.

FIRMWARE RELEASE

1.00

Figure 14

Of course, no value can be changed when accessing this feature: The firmware

release indicator only changes when a firmware update is performed (which can only

be done in the factory).

To exit this feature and revert the MARLEY into “idle” mode, the button on the left of the

front panel may be pushed (Figure 1, 1) or the user should avoid doing any other

action on the unit: After a few seconds, the MARLEY then automatically reverts to its

“idle” status.

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M2TECH Marley User Manual Page 27