2 2 . . 4 4 . . 2 2 D D i i s s p p l l a a y y
Fig. 2: LC display on
transmitter front panel.
Refer to fig. 2.
2 2 . . 4 4 . . 3 3 R R e e a a r r P P a a n n e e l l
Fig. 3: Inputs and outputs
on transmitter rear panel.
Refer to fig. 3.
2 2 . . 5 5 S S P P R R 4 4 B B o o d d y y p p a a c c k k
R R e e c c e e i i v v e e r r
2 2 . . 5 5 . . 1 1 C C o o n n t t r r o o l l s s
Refer to fig. 4.
28
2 Description
1
2
The display indicates all operating parameters of the transmitter:
1
Compressor and limiter gain reduction.
2
Menus for frequency, transmitter name, input gain, audio processing, system
settings.
3
Submenus for Preset (country code), Frequency Group, Subchannel, RF out-
put.
4
OFF (red): Indicates the transmitter is off the air.
5
LOCK mode label (red): goes out in SETUP mode.
6
Alphanumeric display.
7
Audio input level bargraph and red PEAK LED
8
Audio functions: input mode, highpass filter, EQ, room simulation, compressor,
bypass.
In SETUP mode, the currently active setup parameter will be flashing.
1
2
1
ANTENNA: BNC antenna output.
2
AUDIO LOOP L/CH1, R/CH2: These two jacks are connected in parallel to the
AUDIO IN jacks and carry the unprocessed input signal.
3
AUDIO IN L/CH1/MONO, R/CH2: Combined female XLR/1/4" jacks for feed-
ing in a stereo or mono signal. The ¼" jacks accept both balanced and unbal-
anced cables.
4
LINE OUT STEREO: This TRS ¼" jack provides the processed audio signal.
You can feed this signal, e.g., to an HPA 4000 headphone amplifier, an extra
monitor amplifier for floor wedges, etc.
5
DC ONLY: Locking DC input for connecting the included power supply.
6
DATA: Interface for linking the transmitter to a HiQNet network for controlling the
transmitter using a computer and HUB 4000 Q.
The SPR 4 bodypack receiver has been designed specifically for use with the
SST 4 transmitter and IP 2 earbuds. You may, however, connect other earbuds to
the receiver as well.
To power the receiver you can use either the two supplied dry batteries or the op-
tional BP 4000 battery pack from AKG.
1
Headphones output: TRS mini jack.
2
Detented rotary control with integrated on/off switch: Switches power to
the receiver on and OFF and sets the volume of the earbud signal.
3
Permanently attached flexible antenna.
4
Status LED
3
6
3
4
5
7
8
4
5
6
AKG IVM 4