Logitek BRIGHT-VU, Руководство по эксплуатации и обслуживанию

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SECTION 1 — GENERAL INFORMATION
1-1 General Description
The Logitek Bright-VU is a bargraph type audio
level meter featuring two LED bargraphs. Average
level is always shown and is displayed as a solid bar.
PPM is displayed as a single dot. The meters accept
either analog audio or serial digital inputs and are
available in three 19 inch rack mount configurations,
all with internal power supplies.
1-2 Electrical Specifications
Bargraphs per meter: Two
Indicators per bargraph: 20
Scale Range: -35 dB to +18 dB
0 dB Reference Point:
Analog Input adjustable -20 to +10 dBu
Digital Input -19 dB full scale
Response Time:
VU Mode 300 mSec / 20 dB attack
300 mSec / 20dB release
PPM Mode 0 mSec attack
2.8 Sec / 24 dB release
Frequency Response: +
−
.1dB (20 - 20K hz)
Analog Input:
Sensitivity -10 to +20 dBU for full scale
rear panel adjustable
Overload Level +24 dBm
Impedance 40K Ohm balanced
20K Ohm unbalanced
CMRR -80 dBu
Connector Female 3-pin XLR
Digital Input:
Codes AES/EBU, S/PDIF
Impedance 110 Ohm balanced
75 Ohm unbalanced
Loop-through 2200 Ohm balanced
Termination transformer balanced
Connector Female 3-pin XLR (IN)
Male 3-pin XLR (OUT)
AC Line Input Voltage:
50-60 Hz 105-129 VAC or
(switch settable) 220-240 VAC
Power Requirement:
BV2-(all) & BDT-(all) 5 watts
BV4-(all) 10 watts
BV6-(all) 15 watts
Dimensions:
1RU enclosure 19"W x 7"D x 1
3
4
“H
Desktop case 6” W x 6 ¼”D x 2 ½”H
1-3 Instrument Identification
The Bright-VU is identified by a model number and
a three or four digit serial number. The model number
and serial number appear on a label on the back of the
unit near the power cord. All correspondence to your
Logitek dealer or to the Logitek factory should refer to
the model number and serial number.
1-4 Where to find help
Logitek customer service personnel are available
to help with any questions, comments or problems you
might have with the Bright-VU meter, both during and
after the warranty period. Our hours of operation are
8AM to 5PM central time. We may be contacted in one
of the following ways:
By Phone: 877-231-5870 (U.S.A. & Canada)
or 713-664-4470
By Fax: 713-664-4479
By E-mail: help@logitekaudio.com
By Mail: Logitek Electronic Systems, Inc.
5622 Edgemoor Drive
Houston, TX 77081
USA
Page 4 ** Bright-VU Instruction Manual **