Rear Panel Controls and Functions (Fig. C)
11 TUNER “B” ANTENNA JACK: Antenna connector for
tuner “B.” Attach the antenna directly, or extend it
with an antenna cable.
12 SQUELCH CONTROL: Adjusts level of noise-muting
circuit (preset at factory but can be adjusted as
circumstances warrant).
13 BALANCED AUDIO OUTPUT JACK: XLRM-type connec-
tor. A standard 2-conductor shielded cable can be used
to connect the receiver output to a balanced microphone
level input on a mixer.
14 GROUND LIFT SWITCH: Disconnects the ground pin
of the balanced output (13) from ground. Normally, the
switch should be to the left (ground connected). If hum
caused by a ground loop occurs, slide switch to the right.
15 UNBALANCED AUDIO OUTPUT JACK:
1
⁄
4
" phone jack.
Can be connected to an unbalanced aux-level input of a
mixer or tape recorder.
16 DC POWER INPUT: For an external 12-18V DC source
(requires 350 mA). Center pin of jack is
negative.
17 AC POWER: Power cord for 120V AC power input.
18 TUNER “A” ANTENNA JACK: Antenna connector for
tuner “A.” Attach the antenna directly, or extend it
with an antenna cable.
3
Receiver Controls And Functions
Fig. B Receiver Front Panel
Fig. C Receiver Rear Panel
5
4
3
1
10
17
16
15
13
11
18
6
2
12
14
7
8
10
9
Front Panel Controls and Functions (Fig. B)
1
POWER SWITCH/INDICATOR: Press switch on, and
the “power” indicator will light.
2
CHANNEL NUMBER DISPLAY: Indicates the current
channel setting.
3
X10 CHANNEL SELECTOR SWITCH: Selects the number
shown in the left column of the Channel Number Display.
4
X1 CHANNEL SELECTOR SWITCH: Selects the number
shown in the right column of the Channel Number
Display.
5
CHANNEL SET BUTTON: Press this button to input the
channel shown in the Channel Number Display.
6
RF SIGNAL LEVEL INDICATOR: Indicates the
strength of the RF signal received from the transmitter.
The LEDs will light up from left to right.
7
AF LEVEL INDICATOR: Indicates the audio modulation
level of the received signal. (Not affected by the
setting of the AF Level control.)
8
TUNER OPERATION INDICATOR: Indicates which
tuner has the better reception and is in operation.
9
AF LEVEL CONTROL: Adjusts the level at both audio
output jacks.
10 MOUNTING ADAPTERS: For mounting the receiver
in any standard 19" rack. Attach to receiver with
screws supplied. (Use optional AT8628 joining plate
kit to mount two receivers side-by-side.)
