2
6881110C10-O September, 2000
Speaker/Amplifier PA/Speaker Instruction Manual
Step 8. Firmly seat the hanger bracket (attached to the
speaker) in the wall mount bracket.
2.4 Dual Trunnion and Wall Mount Installation
In some installations, such as in schoolbuses,
where the speaker may be subject to excessive
strain or abuse, it may be desirable to use both the
trunnion mounting bracket and the wall mounting
bracket. In this case, follow the procedures in both
2.2 and 2.3, but use the dimensions in Figure 2 to
locate the hole centers.
NOTE
: Do not use Figure 2 as a template.
2.5 Electrical Connections
Install the Vehicular Adapter, or mobile radio,
following the preinstallation and installation
procedures described in the basic Vehicular
Adapter, or mobile radio manual. Use the
Interconnect Cable to install the PA /Speaker to the
Vehicular Adapter or mobile radio.
3. Adjustment
General Procedure
See the Vehicle Adapter, or mobile radio installation
manual for product-speciÞc procedure.
Step 1. Adjust the radio as described in the radio
instruction manual.
Step 2. Setup the conditions required to provide a
signal to the speaker, such as an incoming
received message and set the vehicular
adapter volume level to maximum.
Step 3. Adjust the speaker/ampliÞer volume control
(on the speaker circuit board) for a convenient
listening level heard clearly throughout the
vehicle. The adjustment can also be used to
lower minimum loudness if the installation
requires it.
Figure 2. Dual Trunnion
and Wall Mount Dimensions
1.92"(48.77mm)
0.96"(24.38mm)
2.31"(58.67mm)
1.155"(29.34mm)
2.56"(65.02mm)
0.375"(9.53mm)
Trunnion Bracket
Wall Mounting Bracket
MAEPF-26871-O
Figure 1. Physical Installation Details
0.101’’ (2.56mm)
Diameter
6-20 x 1/2’’
Self-Tapping
Screw
Wall Mounting
Bracket Detail
Wall Mounting
Bracket
NOTE:
The rear cover of the speaker and the
circuit board must be temporarily
removed to mount the hanger bracket.
Hanger
Bracket
Hanger
Bracket
Vehicle
Window
Window Mounting
Detail
Trunnion Bracket
Mounting Detail
Dashboard
Firewall
Trunnion Bracket
To
Firewall
Mounting
or
Dashboard
Firewall
10-16 x 5/8’’
Self-Tapping
Screw
0.157’’ (3.99mm)
Diameter
Trunnion
Bracket
10-16 x 5/8’’
Self-Tapping
Screw
Console or Floor
MAEPF-26870-O
(16 pages)
(13 pages)
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