TL Audio VTC - Manual (Page 13)

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A stereo input is provided to the monitor section, to allow off-tape monitoring, etc.
The inputs are via balanced, 3 pin jack connectors. The mating connectors should be wired as
follows:
- Sleeve = Ground (screen),
- Tip = Signal Phase (“+” or “hot”),
- Ring = Signal Non-Phase (“-” or “cold”).
If an unbalanced signal is used, the screen and ring should both be connected to ground.
The nominal operating level of the 2T returns may be internally set for +4dBu (professional) or -
10dBu (semi-professional) nominal level. The outputs are factory set for +4dBu, but may be changed
by referring to part 4.15 of the Technical Section.
2.18 External Input.
A stereo input is provided to the monitor section, to allow the connection of miscellaneous sources
such as click tracks, guide cassettes, CDs etc.
The inputs are via balanced, 3 pin jack connectors. The mating connectors should be wired as
follows:
- Sleeve = Ground (screen),
- Tip = Signal Phase (“+” or “hot”),
- Ring = Signal Non-Phase (“-” or “cold”).
If an unbalanced signal is used, the screen and ring should both be connected to ground.
The nominal operating level of the Group Outputs may be internally set for +4dBu (professional) or -
10dBu (semi-professional) nominal level. The outputs are factory set for +4dBu, but may be changed
by referring to part 4.15 of the Technical Section.
2.19 Phones 1 and 2 Outputs.
Two rear panel sockets are provided, suitable for driving headphones of 32 ohms or higher
impedance. A standard 0.25” jack plug should be used.
2.20 Meter Bridge Connection.
The optional bar graph meterbridge is connected to each section of the VTC via these 25 way D-type
connectors. See Technical Section 4.17 for more details.