Handsfree talk back paging is achieved by either accessing the two-way paging port, accessing the unused trunk port, or
4 3
the more you will have to decrease the Talk Back Volume and the shorter your talk-back distance will be.
HUDSON, WI 54016
GING
n g
1 5
ELECTRONICS
6 ..4
1. Under normal background noise levels, set the Paging Volume control so that the page may be heard as
A
A
Printed in the U.S.A.
k L
8 6
P
SHUNT
Alert
Note:
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
a c
either the telco end or the speaker end. Use a normally open switch for the telco side or use a normally closed switch
a ttiio
MUSIC
G
VOLUME
6
for the speaker side.
TRIGGER
Paging Horn may be added in parallel
Unused
Contact Closure.
1 5
6 ..8
25AE Paging Horn
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
E
e rra
Two-Way Paging Port
x B
6 6
8 6
m iin
3 8
S u
a ttiio
PA
3 8
T
added, using a N/O or N/C switch or
HORN
5 ..3
Optional Paging Port Installation
B a
-or-
Paging Port with
ZF301430 Rev A
o g
such changes.
An optional second 25AE
A
TALK BACK
7 1
C. Two-Way Paging Port Interface
L iin
P
V
u p
12345678910
Document
VIKING
8 6
Note: For loud background noise, an
paging area.
HANDSFREE TALKBACK
Background Music
PABX/KSU
T
to the paging port.
GING
g
c tt S
n e
When sitting idle, the HF-3W allows audio from a background music source or an existing paging system's speaker output
c k
Volume
g rra
to the existing horn to increase the
O p
ALK
PUSH
JP2
F
C
VOLUME
talk" button across screw terminals 9 and 10, and remove shunt JP2. The "push-to-talk" button may be installed at
Battery Shunt (JP1).
PAGING SYSTEM
Trunk Port
D. Page Alert Tone
Back
If a page alert tone is not required, set the Alert Tone Volume to minimum (see diagram above).
3 4
e ......7
3. Adjust the Talk Back Volume control as necessary for your environment. The louder the background noise level,
VIKING© MODEL HF-3W
If the background noise is too loud for the HF-3W's VOX circuit to operate properly, you will need to add a "push-to-
PAGING
MAX
tance and noise level.
PO
Existing Paging System
13.8
d u
If the Paging Input is to be connected to a paging port, the paging port must allow two-way talk path and provide a
INPUT
s tta
Fax Back Doc 470
coming off-hook on the single/multi-line phone. At this time, the background music is muted, a page alert tone is given and
Single or Multi-
p o
MIN
O
to pass through to the paging horn.
A. Normal Background Noise Environment
m m
P rro
MAX
VOLUME
P
6 6
e ......7
JP1
or
4 5
a x
INPUT
p e
F a
(included)
IIn
n e
n
844).
p p
(Fax
O
Line Phone
Remove Talk
a m
n
B. Loud Background Noise Environment
P
Important: JP2 must be removed.
required. Then set the Talk Back Volume control in the middle (12 o'clock) position.
u c
ALERT TONE
WER
7 1
JP2
optional "Push-to-Talk" button may be
paging with talk back is enabled.
TALK BATTERY
o rrtt L
5 ..3
a lllla
Source Speaker Output
o n
contact closure during paging. Disable the Talk Battery by removing the Talk Battery Shunt (JP1) before connecting
600 Ohm Two-Way
P rro
o d
the Viking SW-2 panel mount switch
L iin
5
2. Test talk-back to be sure that the HF-3W will switch between paging and talk-back for your desired operating dis-
MIN
Tone
Contact Closure
o n
n s
< [Pag.2]
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