Blackstar HT-MODULATION - Manual (Page 4)

Note: The level control is somewhat interactive with the
Saturation control, so remember, at high levels of Saturation the
effect will become denser and therefore a reduced amount of
Level will be required.
7. Output – Right
This is the right hand signal for use in a stereo set-up. Always use
a good quality screened guitar lead (see Suggested Set-ups
section).
8. Output – Left (Mono)
This is the main output in a mono set-up or the left hand signal for
use in a stereo set-up. If you use the HT-MODULATION in the
effects loop of a guitar amplifier this is where to connect the effects
return signal to the amplifier. Always use a good quality screened
guitar (see Suggested Set-ups section).
9. Input
Plug your guitar in here. Alternatively, if using the HT-
MODULATION in the effects loop of a guitar amplifier this is where
to connect the effects send signal from the amplifier. Always use
a good quality screened guitar lead (see Suggested Set-ups
section).
10. Valve Viewing Window
Through this grille you can see the ECC83 valve at the heart of
your pedal. The valve is backlit with an LED which is also the
power-on LED and indicates that the power has been connected.
WARNING: Do not attempt to remove the fixing screws or grille.
No user serviceable parts inside.
11. Effect On/Off LED
When the RED LED is on the effect is present. When the RED
LED is off the pedal is in bypass.
12. Effect On/Off Footswitch
Press this switch to turn the effect on or off.
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2. Speed
This controls varies the speed of the modulation effect. The speed
control has been carefully tailored for each of the 8 effects. At
minimum settings (counter clockwise) the modulation speed will
be slow and the effect may appear to be more subtle. Turning the
control clockwise the modulation speed will increase making the
effect more obvious.
3. Feedback
This control adjusts feedback or depth depending on the effect
selected (see the table above).
4. Saturation
By adjusting the drive to the high voltage valve circuit in the effect
side chain, the Saturation control affects the amount of valve
compression and harmonics present in the effect. At low levels
the effect will sound more linear, but as the Saturation control is
increased the valve circuit becomes more saturated and the effect
becomes denser and richer in valve compression and harmonics.
At maximum settings the effected sound will have a mild crunchy
valve sound quality.
The Saturation circuitry is optimised to work at guitar or -10dBV
loop operating levels. Operation at +4dBV loop levels is not
recommended.
5. Saturation Indicator LED
The Saturation Indicator LED works in conjunction with the
Saturation control (4) to indicate the amount of saturation in the
valve circuit. When the LED is green there is little or no saturation
and the effect response will be quite linear. When the LED is
orange, there is mild to moderate saturation in the valve circuit.
Once the LED colour becomes red it indicates full saturation in
the valve circuit and maximum saturation is reached.
6. Level
Depending on the Effect selected, the Level control either adjusts
the amount of effect that is mixed in with the direct signal, or the
effect depth (see chart above).
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