Audio RK2040, Руководство пользователя

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Every RK2040 rack lets you access up to 4 receivers. Link up multiple racks and you
can monitor up to 48 receivers, all from a PC. Complete control is within reach.
Frequency Range:
4 7 0 – 1000MHz
Number of diversity receivers:
Up to 4
Additional diversity receivers
The RK2040 is a compact 1U, 19-inch rack capable of
accommodating up to 4 diversity receivers; the
minimum specification unit has two receivers and
additional receiver modules can be purchased
separately.
Active Distribution Amplifier bandwidth:
24MHz,
with phantom powering for Audio Ltd masthead amplifier
Powering:
1 0 – 18 Volts DC via 4 pin XLR male socket
Individual LCD displays
Antenna inputs:
2 x BNC 50 Ohms
Each receiver on the RK2040 has an individual LCD
display that shows both sides of the RF, the audio
level and the status of the transmitter’s battery. The
name and frequency used of each artist is also
displayed.
RF outputs:
2 x BNC 50 Ohms
Sensitivity:
-98dBm for 40dB SINAD
Audio outputs:
4 x 3 pin XLR
Output level:
+14 dBu maximum, transformer balanced
32 pre-programmed frequencies
Frequency response:
50Hz – 18kHz ± 1 dB Each receiver on the RK2040 has 32 pre-
programmed frequencies.
Headphone output:
Standard 6.5mm (1 / 4 inch) jack
socket with adjustable level
Increased switching bandwidth
Each receiver on the RK2040 now comes with a
switching bandwidth of up to 24MHz.
Display & Controls:
Backlit LCD display with
comprehensive, intuitive set up of individual receiver
parameters via a smiple 4 button interface
Built-in active distribution amplifiers
With the built-in active distribution amplifier, only two
antennae are needed to supply the signal for up to
eight receivers.
PC connection:
2 x RS485 9 pin sub-D type connector.
One connector connects to PC via RS485 to RS232
adapter (available seperately). Maximum cable run for
twisted pair cable - 1000m. Second connector allows
subsequent racks to be daisy-chained
Four transformer balanced line level outputs.
Size:
1 U high 19-inch frame. Depth – 270mm With four transformer balanced line level outputs
adjustable down to mic level in 1 dB steps, the
RK2040 offers great isolation with flexible outputs.
Weight:
3.45kg
Remote monitoring and control
The RK2040 has a built-in RS485 PC interface for
remote monitoring and control from up to 1000m
(4000ft) away via Audio’s custom-designed PC-based
application. Up to 12 racks can be linked together
using only one cable, which means up to 48 receivers
can be monitored with one PC. The application
software is included in the price.
Mains or battery powered
The RK2040 can be mains-powered via an AC/DC
adapter. Alternatively, any DC source with voltages
from 10 to 18 volts – for example, a car battery –
can be used via a four-pin XLR connector.
Headphone monitoring
A quarter-inch stereo headphone jack socket can be
found on the front panel of the RK2040 to allow for
local monitoring of the audio.