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Bracket mounting - gr9040

1.  Attach the two gimbal knobs through the mounting 

bracket and into the Gr9040.

.  temporarily position the Gr9040 in the desired location 

and roughly mark the location of the bracket edges. 
now, remove the unit from the bracket and reposition 
the bracket to mark the mounting hole positions.

.  screw or bolt the bracket into position. the mounting 

method will depend on the material to which the bracket 
is being attached.

4.  Fit the Gr9040 back into the bracket and adjust to the 

desired angle before tightening the gimbal knobs. 

5.  complete the antenna  

lead and electrical wiring  
as described later.

For overhead mounting the  
GmE logos on the side of  
each bracket can be rotated  
as shown right.

flush mounting - gr9040

Although the Gr9040 is a bracket mounted unit, it can be 
flush mounted by following the disassembly  
instructions below.

1.   remove the 4 screws  

from each cable clamp panel  
at rear. 

.  remove the screw from  

the centre of the heat  
dissipater and remove.

.   remove the 4 screw caps and 4 screws from the front 

case and slide the unit  
out completely.

Your Gr9040 can  
now be flush mounted, replacement screw caps have been 
provided to cover the exposed screw heads.

removing clear cover

if your Gr9000 will be mounted in a dry protected location 
away from the possibility of water ingress, the front clear 
cover can be permanently removed.

1.  remove the 4 screws from each of the  

top and bottom inside edge of the  
mount frame as shown above. remove  
top latch assembly and clear cover.

.   Fit replacement fill strips as supplied into top and  

bottom frame edges. 

.  mount your unit into the bulkhead. use supplied spare 

screw caps to cover screw heads. 

electrical Wiring
dc connections

Caution:

 the Gr9000 is designed for vessels with a 1 Volt 

negative ground electrical system only!

Referring to the wiring diagram on following page:

1.  connect the Yellow wire directly to the positive terminal 

of the vessel’s battery, or to a point that has +1 Volts 
available at all times. this lead maintains the memories 

G r 9 0 0 0   s E r i E s  

  i n s t r u c t i o n   m A n uA l  

PA G E   5

reset Button

PA G E   4  

i n s t r u c t i o n   m A n uA l  

G r 9 0 0 0   s E r i E s

screw

strap

screw

screw

screw

Gr900 

Flush mounted

Gr9040 

on-Dash mounted

Gr9040 

overhead mounted

Press from 
back

       turn

Flush mount 
support strap

rear centre screw with spacers

Fill strips

screw  

caps

InStallatIon

precautions

if you are connecting your Gr9000 for the first time or have 
just reconnected your boat battery and you are experiencing 
problems with the unit’s operation, we suggest you try 
resetting the unit. the reset button is located under the 
removable face panel (see below for instructions). Gently 
press the reset button with a paper clip or similar object. 
You can then refit the face panel.

the preset station memories and clock time are retained 
only while the yellow ‘memory 1 V+’ lead is connected 
(see Electrical Wiring section). if the battery is disconnected 
or switched off at the master switch, or the unit is removed 
from the vessel, the station memories will be lost and the 
clock will need to be reset.

removing & refitting the face panel

Before removing the face panel, turn the unit oFF by 
pressing the 

PWR

 button.

1.  Press the 

15

 release button   to release the  

left hand end of the face panel.

.  lift the face panel  

out towards you.

.  After removing  

the face panel, 
place it inside the  
supplied case to  
protect it from damage.

handling compact discs

•   Handle the cD by it’s edge, avoid touching the  

disc surface.

•   store your cDs away from direct 

sunlight or heat sources. Keeping  
the cD in it’s original case will  
help to keep it flat.

•   clean the cD with a soft cloth  

from the centre to the outer 
edge, (see diagram) rather than 
in a circular motion. Do not use 
solvents.

moisture condensation

Your Gr9000 uses optical laser technology. occasionally 
damp or humid conditions may cause condensation to 
appear on the lenses inside the unit. should this occur, the 
unit might not operate correctly. simply eject the cD and 
leave the unit turned on for a while until the  
moisture evaporates.

location

the Gr9000 is designed to be mounted in several different 
configurations to enable it to be installed in the most 
convenient position. GmE recommends that the unit should 
be mounted in a position that is free from direct sunlight 
and excessive vibration. 

flush mounting - gr9020

the Gr900 can be neatly flush mounted into a panel or 
bulkhead so that just the controls and the protective cover 
are visible. 

using the template provided, select a suitable location on a 
panel or bulkhead. Examine behind the panel to determine 
the best method of support. if the thickness of the panel is 
not sufficient to support the unit, it will be necessary to use 
the strap supplied (see following diagrams)

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