Mute LED
When the unit is in mute the LED light blinks steadily. When the unit is in normal
operating mode, the mute LED light is off.
During Power up and trigger sequence, the LED is not lit.
After power up and trigger sequence, LED will blink red if Mute button is pressed.
When the mute button is pressed again, the mute LED is turned off.
Numeric Display
Blue double-digit 7-segment display. Indicates volume setting of unit, (if not set to turn
off automatically - if set to turn off, display will return with any command sent to the
preamplifier, and then turn off again after the programmed time (from 0 to 90
(seconds)). Indicates countdown sequence timer display for power on when unit is
turned on (and countdown display is not suppressed). Indicates trigger timing during
trigger programming, and balance or out of balance information. If the channels are
out of balance, out-of-balance indicator on left (for leftward balance) or on right (if
rightward balance) of numeric display is visible during operate mode (if the balance
display is not suppressed). If the balance display is suppressed, then the indicators are
only lit when accessing balance function. Indicates input offset, with bar on left of
numerals for negative offset, and positive value for a positive offset.
Programming the Preamplifier’s function controls
The TL 6.5 Signature Line Preamplifier is a sophisticated unit with a wide array of user features
and controls. It is strongly advised that you read and understand these instructions to get the
most out of your new purchase.
Logical Sequence of Events, and possible programming operations during that event
1. Powered off Mode
The unit may need to be completely de-powered, during a long absence, or during a
storm to prevent damage from lightning strike.
User input:
AC power is connected to the unit and unit is switched off at rear
rocker power switch, or AC power is not connected.
Indication:
No display is lit.
Status:
The unit is completely off and cannot be turned on via any front
panel or remote command.
2. Stand-by Mode
Unit is left in standby and waiting power up command when not operated. No circuits
are running, except logic circuit to power control microprocessor.
TL6.5 Preamplifier Owner’s Manual
VTL
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