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Mounting Screws: (4) 6-32 x 3/4" Marine
grade 316 stainless steel, flat head, 5/64"
hexdrive, screws (included).
Faceplate:
14 gauge Marine grade 316
stainless steel faceplate and push button
switch (sealed per IP67).
Condensation Drain Hole
Microphone Volume
Speaker Volume
Line Level Audio Output from Microphone (YELLOW wires)
Push Button Contacts (BLACK wires)
LED Control Input (BLUE wires)
IMPORTANT: Electronic devices are susceptible to lightning and power station electrical surges from both the AC
outlet and the telephone line. It is recommended that a surge protector be installed to protect against such surges.
A. Mounting
Caution: When warm air comes in contact with cold surfaces, such as outside walls and conduits, it causes con-
densation. To prevent condensation from accumulating inside the MSB-30 always bring conduit into the bottom
of the unit. If this is not possible, drill a 1/4" diameter hole in the bottom of the black plastic box.
*Note: Peel off paper liner and adhere gasket to the back of the faceplate, centering it over the four corner mount-
ing holes.
Front View of
Plastic Rough-In
Box (included)
Wire knock out
(2) Standard flat head dry wall
(sheet rock) screws (not included)
Important: The MSB-30 will NOT
mount to a standard double gang box.
Note: The plastic rough-in box (part # 259576) may be purchased
separately in advance. Go to www.vikingelectronics.com and
click on "Spare Parts".
2
Features Overview
VIKING
©
*
Adhere gasket to front
2.1"
panel, centering over
mounting holes
4.0"
Push to Call Button
Blue LED Power Indicator
(4) 6-32 X 3/4" stainless steel, flat
head, hexdrive, screws (included)
Condensation Drain Hole
Call
Installation
5.22"
5.0"
5.14"
Front View of Optional
2.25"
VE-5x5 (not included)
Microphone: Omni-directional microphone
with protective water-resistant cloth.
Speaker: Mylar speaker with rubber gasket
to maintain water-tight seal and eliminate
water deterioration.
Speaker Screen: Stainless steel speaker
screen with 0.018" diameter holes to
prevent punctures from paperclips, etc.
Push Button Switch: Solid 316 stainless
steel internally sealed per IP67.
LED: Lights blue when powered up.
Faceplate Gasket: 1/8" thick closed cell
PVC to provide a water-tight seal.
Ring Terminal
(included)
To increase surge protection,
loosen the PCB mounting
screw and fasten a wire with
Earth
the included ring terminal from
Ground
the mounting screw to earth
(optional)
ground (grounding rod, water
pipe, etc.)
12-15V AC or DC Power Input (RED/BLACK wires)
Line Level Audio Input (ORANGE wires)
Auxiliary Speaker Output (WHITE wires)
(4) 0.38" diameter
(for gooseneck mounting)
(4) 0.2 x 0.43 slots
3.25"
for double gang box
(2) 0.2 x 0.43 slots
for single gang box
(1) 0.74" dia
Condensation
Drain Hole
Rear View of VE-5x5
(not included)
MSB-30-EWP shown with Viking
model VE-GNP Gooseneck Pedestal
The optional VE-5x5 Surface
Mount Box is designed to be surface mounted
to a single gang box, double gang box or VE-
GNP gooseneck pedestal (right). For more in-
formation on the VE-5x5 and VE-GNP see
DOD# 424.
3.0" 3.3"
3.0"
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