D4T/D4R
LECTROSONICS, INC.
6
Front and Rear Panels
On both the D4T and the D4R, the front panel interface
containsapowerswitch,anLCDdisplayandeight
pushbuttons.TheD4Thasoneantennajackandthe
D4Rhastwo.TheD4Rfrontpanelalsocontainsajack
for headphones.
When the units are powered on, an initial introduc-
tory splash screen is displayed; the Main Window then
appearsandremainsontheLCDuntilasetupscreen
is selected. The Main Window shows four audio level
meters, one for each channel. (In two channel mode,
only two meters are shown.) Each audio meter bar
graph will switch to display the word CLIP to warn of
possible overload distortion at high levels. The D4R
receiver Main Window also includes an RF level meter,
headphone volume control and channel indicator.
Button functions are context-sensitive, but as shown
intheillustrations,theFUNCandBACKbuttonsmay
be used to enter and leave various menus and setup
screens. No other buttons are active in the D4T’s Main
Window – they are only used for setting up the D4T.
D4T Transmitter
FUNC
BACK
OFF
ON
1
2
34
DIGITAL TRANSMITTER
Channel Select
Menu Item &
Parameter Select
Return to
Previous
Context
Press to Enter
Setup Menus
Audio
Level
USB
CH1
CH2
CH3
CH4
2/4 CHANNEL DIGITAL TRANSMITTER
AES IN
CH1/CH2
AES IN
CH3/CH4
9-16 VDC
500mA
INPUTS
In the D4R’s Main Window, the UP and DOWN arrow
keysadjusttheheadphonevolume.Afadericonnext
to the buttons shows the current position of the control.
The channel select buttons choose a channel for head-
phone monitoring, Any two buttons may be pressed
simultaneously to monitor a stereo pair. Headphone
icons above the buttons indicate the current head-
phone monitoring selection.
Ontherearpanelarethefouraudiojacks,thepower
receptacle and the USB port (for firmware updates).
Jacks 1 and 2 may be used for either analog or AES/
EBUdigitalsignals.Jacks3and4areforanalog
signalsonly.PleaseseeAES3Modesonpage12for
more information on various configurations.
The units are powered with an external source of 9
to16VDC,withpowerconsumptionof500mAat10
voltsforthetransmitterand250mAat10voltsforthe
receiver.
D4R Receiver
FUNC
BACK
OFF
ON
1
2
3
4
PHONES
DIGITAL RECEIVER
Buttons 1 through 4 select
channel to be monitored
Press to Enter
Setup Menus
Return to
Previous
Context
Channel selected for headphone
monitoring – individual or paired for
stereo monitoring
Incoming
RF level
Menu Item &
Parameter Select
Audio
Level
USB
CH1
CH2
CH3
CH4
AES OUT
CH1/CH2
AES OUT
CH3/CH4
9-16 VDC
250mA
2/4 CHANNEL DIGITAL RECEIVER
OUTPUTS
The Main Window
will indicate
possible clipping
on the bar graph.
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