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.
DOD 697
ZF302990 Rev A
Printed in the U.S.A.
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B. Headsets
Connect the receive pair (typically the inside pair) of an Electronic or Digital phone handset jack, using the special “T”
adapter provided, to the “LINE IN” jack (or hardwire to the screw terminals), of the
VR-1B
. Plug the 12V DC power sup-
ply into the
VR-1B
’s “12VDC” jack (or hardwire to the screw terminals). When audio going to the handset or headset is
detected, the
VR-1B
will flash to show others that you are on the phone.
C. Electronic and Digital Phones
Connect the speaker leads of an Electronic or Digital phone to the “LINE IN” jack (or hardwire to the screw terminals)
of the
VR-1B
as shown below. Plug the 12V DC power supply into the
VR-1B
’s “12VDC” jack (or hardwire to the screw
terminals). The speaker may be disconnected if a resistor of equal value is substituted. The
VR-1B
will flash to indicate
ringing.
VIKING
Model: xxxxxxxxx
V
iking Electronics, Inc. (715) 386-8861
1531 Industrial St., Hudson, WI 54016
www
.vikingelectronics.com DOD#
S/N: XXXXXXXX
P/N:
DEV
:
xxxxxxxx
RoHS
Internal View of the VR-1B
Electronic/Digital Phone
(not included)
12V DC
Adapter
(included)
(2) #6x3/4 panhead
screws (included)
R1
R5
R2
R15
C2
C1
C3
1
34
2
ON
Special "T"
Adapter
(included)
Adjust the sensitivity with the
trim pot if necessary. Turn
clockwise to increase sensitivity.
Headset
(not included)
To Handset
Jack on Phone
VIKING
Model: xxxxxxxxx
V
iking Electronics, Inc. (715) 386-8861
1531 Industrial St., Hudson, WI 54016
www
.vikingelectronics.com DOD#
S/N: XXXXXXXX
P/N:
DEV
:
xxxxxxxx
RoHS
Internal View of the VR-1B
Internal View of a Typical
Key Set Telephone
12V DC
Adapter
(included)
(2) #6x3/4 panhead
screws (included)
R1
R5
R2
R15
C2
C1
C3
1
34
2
ON
Adjust the sensitivity with the
trim pot if necessary. Turn
clockwise to increase sensitivity.
Red Green
