-11-
Memory lock and footswitch mode lock function
The access to channels and presets memory and footswitch mode change can be locked if
necessary.
1. Switch the amplifier off with the POWER switch
2. Switch FX LOOP and power LEVEL switches and hold them in up position. Switch the
amplifier on. Magenta colour of FX LOOP indicator confirms the setting.
3. MODE indicators shows the current lock function status (see the table below)
4. Set the chosen status using CLEAN/CRUNCH and OVERDRIVE MODE switches.
5. Save the setting with the STORE switch. Short flashing confirms saving.
6. Use any other switch to exit the setting mode.
channels and presets memory
footswitch mode change
CLEAN/CRUNCH MODE indicator
OVERDRIVE MODE indicator
unlock
BLUE
BLUE
lock
RED
RED
Default memory setting function
The function restores memory to its default setting:
-
channels and presets
-
footswitch/amplifier mode = GREEN
-
MIDI receive channel =1
-
MIDI transmit channel =1
-
channel and presets Memory access = unlock
-
footswitch mode change = unlock
1. Switch the amplifier off.
2. Switch both channels MODE, FX LOOP and power LEVEL switches and hold them in up
position. Switch the amplifier on. (We know, it is not easy to avoid unintended use.)
YELLOW colour of FX LOOP indicator confirms access to function.
3. Use the STORE switch to activate function.
4. Switch any of the other switches to exit function.
Troubleshooting
symptom
reason
solution
when you start playing there is
no sound and all amp
indicators blink in red
shortcut on the speaker output
switch off the amp and check
speaker cable and speaker
cabinet
when you start playing there is
no sound while the amp
switches off by itself and
switches on again
while you are playing the amp
stops to play and all amp
indicators blink in red
power amp overload
e.g. 4 ohm speaker connected
to 8 ohm or 16 ohm speaker
output
switch off the amp and check
the speaker impedance and
connect it to the proper socket
while you are playing laud
amps switches off by itself and
switches on again
while you are playing the
footswitch indicators blink at
random
footswitch connected to
speaker output
connect footswitch plug to the
proper socket
after switching on the amp,
all footswitch indicators are
not lit
footswitch not connected to
the proper socket
Summary of Contents for AMBER 40
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