3
6.
Turn the volume control to minimum (counter-clockwise), and turn on the POWER switch. The
red “sleep” LED will glow. Wait at least 3 seconds and push the ON-OFF button. The amplifier
begins a 60 second warm-up sequence.
At any time after the ON-OFF button is pushed, the desired input 1-5 can selected. The amplifier
will remember your selection when turned off.
Depending on which portion of the AC power-line cycle the amp starts on, there may be a
mechanical vibration as the large toroidal power transformer magnetizes. This is normal; it will
subside by the end of the warmup period (see Section 4.6).
The ON-OFF switch will normally not glow, but if it does, see section 4.4.
The warmup sequence includes a 20 second fan test – after the test, the fan should not come on
during normal operation (if it does, the amp probably has inadequate ventilation, see Section
4.3 and Section 4.1).
During turn-on, the amplifier can be placed in high-bias mode. See section 4.1 for details.
7.
About 60 seconds after the ON-OFF button is pushed, the yellow “warmup” LED will turn
green (“ready”) and the output relay will close, indicating that the amplifier is ready to use.
Adjust the volume control after the green “ready” LED is glowing, since the Minotaur won’t pass
any signal until then. The MUTE button is useful for temporarily muting the output without
adjusting the volume control.
8.
The remote control may work a bit differently than you are used to: push and HOLD the
desired button for a moment to change input source or volume. The button only needs to be
pushed for about 150 milliseconds, but if you push it too quickly, your selection may not be
registered. The volume control moves slowly in response to the remote, to give you precise
control.
9.
Push the ON-OFF button again to put the amplifier in “sleep” mode. Sleep mode allows the
amplifier to be turned on with the remote control. The amplifier draws <1 watt in sleep mode,
but if you don’t like this, you can shut it off completely with the POWER switch. The amplifier
will shut itself off after 30 minutes if it fails to detect any input signal at the selected input. To
change this, see Section 4.2.
