Audio DX2040 - Manual (Page 2)

Fitting the batteries
To open the battery compartment, slide the release catch
towards the centre of the DX2040 and flip open the cap.
Insert two 1.5 volt AA (LR6) type batteries, negative contact
first as shown on the side of the unit, and close the cover. Do
not use excessive force.
Connecting the antennae
Connect the antennae to the SMA connectors marked
Antenna A and Antenna B. Connect the straight antenna
to one socket and the right-angled antenna to the other
socket.
Selecting the operating frequency
You can check or change the operating frequency of the
DX2040 receiver via infra-red control using the Switch iR.
To check the DX2040 frequency:
•
Press MENU. The display shows:
FREQUENCY
MHz
FREQUENCY
Rx MHz
Fr
854.900
•
Align the front of the Switch iR with the infra-red port
on the receiver and press OK. Optimum operating range
is between 5 and 15cm. The Switch iR will display the
receiver frequency; for example:
FREQUENCY
MHz
FREQUENCY
Rx MHz
Fr
854.900
To change the DX2040 frequency:
•
Press OK again. The display will alternately flash between
frequency and channel number. For example:
CHANNEL
CHANNEL
FREQUENCY
Rx MHz
AF LEVEL
TxRx
AF LEVEL
Rx
AF LEVEL
TxRx
AF LEVEL
TxRx
01
32
Error
AF
-07 dB
-15 dB
-15 dB
Error
857.950
•
Press
or
to scroll through the 32 frequencies read
from the receiver until the required channel or frequency
is displayed. For example
CHANNEL
CHANNEL
FREQUENCY
Rx MHz
AF LEVEL
TxRx
AF LEVEL
Rx
AF LEVEL
TxRx
AF LEVEL
TxRx
01
32
Error
AF
-07 dB
-15 dB
-15 dB
Error
857.950
•
Align the front of the Switch iR with the infra-red port on
the receiver and press OK. If the command was received
correctly the display will show the new frequency. For
example:
CHANNEL
CHANNEL
FREQUENCY
Rx MHz
AF LEVEL
TxRx
AF LEVEL
Rx
AF LEVEL
TxRx
AF LEVEL
TxRx
01
32
Error
AF
-07 dB
-15 dB
-15 dB
Error
857.950
Otherwise the display will show:
CHANNEL
CHANNEL
FREQUENCY
Rx MHz
AF LEVEL
TxRx
AF LEVEL
Rx
AF LEVEL
TxRx
AF LEVEL
TxRx
01
32
Error
AF
-07 dB
-15 dB
-15 dB
Error
857.950
Repeat the above steps if an error message is displayed,
moving the SwitchiR closer to the infra-red port.
Setting the output level
The DX2040 output level is attenuated in 1dB steps over a
32dB range, allowing the receiver output to be matched to
inputs which require a lower input level. The 0dB reference
level is -25dBu.
To check the DX2040 output level:
•
Press MENU.
•
Press once until the display shows
CHANNEL
CHANNEL
FREQUENCY
Rx MHz
AF LEVEL
TxRx
AF LEVEL
Rx
AF LEVEL
TxRx
AF LEVEL
TxRx
01
32
Error
AF
-07 dB
-15 dB
-15 dB
Error
857.950
•
Align the front of the Switch iR with the infra-red port
on the receiver and press OK. The display will show the
current output level setting; for example:
CHANNEL
CHANNEL
FREQUENCY
Rx MHz
AF LEVEL
TxRx
AF LEVEL
Rx
AF LEVEL
TxRx
AF LEVEL
TxRx
01
32
Error
AF
-07 dB
-15 dB
-15 dB
Error
857.950
To change the receiver output level:
•
Press the OK button. The AF level display will flash.
•
Press or to step between the available output level
settings until the required output level is displayed. For
example:
CHANNEL
CHANNEL
FREQUENCY
Rx MHz
AF LEVEL
TxRx
AF LEVEL
Rx
AF LEVEL
TxRx
AF LEVEL
TxRx
01
32
Error
AF
-07 dB
-15 dB
-15 dB
Error
857.950
•
Align the front of the Switch iR with the infra-red port on
the receiver and press OK. If the command was received
correctly the new level will be displayed. For example:
CHANNEL
CHANNEL
FREQUENCY
Rx MHz
AF LEVEL
TxRx
AF LEVEL
Rx
AF LEVEL
TxRx
AF LEVEL
TxRx
01
32
Error
AF
-07 dB
-15 dB
-15 dB
Error
857.950
Otherwise the display will show:
CHANNEL
CHANNEL
FREQUENCY
Rx MHz
AF LEVEL
TxRx
AF LEVEL
Rx
AF LEVEL
TxRx
AF LEVEL
TxRx
01
32
Error
AF
-07 dB
-15 dB
-15 dB
Error
857.950
Repeat the above steps if an error message is displayed,
moving the Switch iR closer to the infra-red port.
Checking the DC power status
To check the status of the receiver’s DC power:
•
Press MENU.
•
Press
three times until the display shows:
User Guide DX2040 True Diversity Receiver
Setting up the DX2040