must hold it down for about a second until the Status LED flashes three times in rapid
succession. This mechanism is designed to prevent inadvertent programming. You can
cancel the programming process at any time before the Status LED first illuminates by
releasing the Write button. Again, the preset will only be programmed successfully if
you press and hold the button until the Status LED flashes three times.
:
MIDI preset 1 activates when the amp is powered up. If you want to edit and/or store
other MIDI presets, you must connect a MIDI foot board or another MIDI send device
to the
port (43) and use this outboard device to select the desired MIDI preset
on the amp.
Note that the Status LED also indicates the status of components unrelated to
and
. The microcontroller runs a short system check after you switch the amp on.
Should it find a defect in the memory chip (EEPROM), the LED
Press the Write/Copy copy button to confirm that you got the message. Once you have
done this, the system will be ready to run, although you may encounter problems
when attempting to select or store MIDI preset.
The Status LED serves a third display function. As described in section 37, it indicates
that no speaker is connected to the power amp outputs.
IMPORTANT note; please read and heed
More good-to-know info:
MIDI In
Write
Copy
36 Amp Mute
This red LED lights up to show
is engaged, that is, the power amp is
silenced. Activate this mode via
(set it to 0), a previously programmed MIDI
preset, a MIDI controller #7 or controller #28 command (see chapter 45 to learn more)
or by sending the appropriate Z-9 command to the Serial Amp Control Port (46).
Deactivate
by setting Standby (37) from to
or sending the
appropriate MIDI command to the MIDI In port (43) or via the respective Z-9
command (setting
) send to the Serial Amp Control Port (46).
When programming MIDI presets,
ensure Standby switch is set to
(that is, the power amp is active) if you want this
preset to disable
and enable the power amp so the speaker renders your
sound. If the Standby switch is set to 0 during programming, the amp will be muted
when you select this MIDI presets precisely because the
function was
enabled during programming. Therefore the power amp will not boost the signal and
the sound will not be audible over the speaker.
You cannot deactivate
to activate the amp via appropriate
programmed MIDI presets, MIDI controller #7 /#28 commands or via the Z-9 when
is engaged to switch the power amp off. You must first flip the Standby
switch.
Amp Mute
Standby
Amp Mute
0
Power Amp On
F2-4
On
Amp Mute
Amp Mute
Amp Mute
Standby
A very IMPORTANT note; please read and heed:
Note:
You'll have to go through a similar routine to copy a preset once you select a target
preset: When the Status LED extinguishes, the copy operation is underway and can no
longer be cancelled. The LED flashes three times to indicate the preset was copied
successfully. You can cancel the copy operation by releasing the key, but only for as
long as the LED lights up continuously.
will flash in a pattern of
five short bursts.
Further indicator functions:
; description in section 37.
Power Tube Monitor
15
