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Viking FBI-1A Technical Practice page 4

Anti-feedback paging interface

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The
Access the phone system's trunk port that is interfaced to the
Announce the page.
Hang-up.
The
after announcing the page to avoid recording silence.
The
Access the phone system's paging port.
Announce the page.
Hang-up.
If you are using the
off hook on the paging port. It is important to hang-up immediately after announcing the page to avoid recording silence.
If you are NOT using the
ing audio and automatically begin recording the page. The
detected. The
(see
For both modes, if the page exceeds the recording time, you will hear two error beeps in the handset before the page
is played. On systems that do not use the paging control output (see
over the paging system before the page.
Set J10 for Page Trigger
N.O. Relay Contact
(Jumper pins 2 & 3 only)
Line 1
(C.O. / Phone Line)
Standard
Analog Phone
To Additional
Standard Analog
Phones
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Due to the dynamic nature of the product design, the information contained in this document is subject to change without notice. Viking Electronics, and its affiliates and/or subsidiaries
assume no responsibility for errors and omissions contained in this information. Revisions of this document or new editions of it may be issued to incorporate such changes.
Fax Back Doc 465
must be in the
will record the entire time the trunk port is off hook. It is important that you hang-up immediately
must be in the
(see
will then playback the recorded page. In this mode, the VOX sensitivity may require adjustment
section ).
VIKING
MODEL SLP-1
©
PREAMP
VOLUME
VIKING
ELECTRONICS
HUDSON, WI 54016
MIN
MAX
SINGLE LINE
PAGING CONTROLLER
MUSIC
AUDIO
ON
INPUT
HOLD
L
INPUT
-
+
DOOR BELL
LOUD RING
-
+
PAGE TRIG. OUT
SW. INPUT
ENABLE
I.O. COM.
PWR
C.O. LINE
OUT TO
- SPKR +
INPUT
PHONES
OUTPUT
L
L
Main Out
Pre-Amplifier
(Background
Music Source)
t
L
i
n
e
.
.
.
7
1
5
.
3
8
6
t
L
i
n
e
.
.
.
7
1
5
.
3
8
6
position.
position.
section ), the
, the
's VOX (voice activated recording) circuit will sense the pag-
will continue to record until 2 seconds of silence is
2 WATT
AMP GAIN
MIN
MAX
AUDIO
OUTPUT
R
L
R
ON
1
2
3
PAGE
MUTE
R
L
R
R
.
8
6
6
6
.
8
6
6
6
Printed in the U.S.A.
.
will record the entire time you are
section
), the error beeps will play
Set VOX SENSITIVITY to MIN
VIKING
MODEL FBI-1A
©
PAGING
VOLUME
VIKING
ELECTRONICS
HUDSON, WI 54016
MIN
MAX
DIGITAL ANTI-FEEDBACK
PAGING INTERFACE
RECORD TIME
SLP-1 MODE
1 2 3 4
PAGE REPEAT
PRE-PAGE TONE
POST PAGE TONE
MODE SWITCH
TRUNK
PAGING
PAGE
PORT
PORT
TONE
VOL
1 2 3 4 5
1
2
Set SLP-1 Mode
DIP Switch to ON
Note: Common all signal grounds
F
a
x
B
a
c
k
L
i
n
e
.
.
F
a
x
B
a
c
k
L
i
n
e
.
.
VOX
SENSITIVITY
MIN
MAX
PAGING
CONTROL
OUTPUT
5 6
7 8
9 10
3
4
5
6
7
8
9
10
L
R
Dedicated
Power
Amplifier
.
7
1
5
.
3
8
6
.
4
3
4
5
.
7
1
5
.
3
8
6
.
4
3
4
5
ZF301260 Rev B

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