MARELUX MX-R7 User manual

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MX-R7
FOR CANON EOS R7 MIRRORLESS CAMERA
User Manual
Please read this users’ manual carefully before starting to
use the product, and use the product properly based on
the thorough understanding of this user manual.
https://marelux.co/

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Important Notices
1. This product, Marelux housing body, must be used together with other Marelux parts and accessories, for
example, Marelux Extension Ring, Dome, Macro Port, etc. Using parts or accessories from other Makers
may cause malfunction or damage to this product.
2. This product is designed to be used at most 100m (330ft) under sea or fresh water level. Please note that
damage or leak can be caused to the product when the water depth is over 100m (330ft).
3. The lubricant inside the package is not edible and should be used only on the O-Rings in Marelux products
(Refer to the O-Ring notices section for more details).
4. Stop using this housing immediately when there is water leak.
5. Don't uninstall components from the housing body by yourself. Repair shall be done in Marelux authorized
service centers.
6. Always make sure the housing body is placed on a steady surface to avoid accidental falling. Avoid striking
or colliding that may cause damages to the product.
7. Avoid long time exposure in strong sunlight or extreme heat.
8. Don't open housing body in humid or sandy environment to avoid damage of electronic circuit, or leakage
caused by small objects.
9. Before opening the housing body, or uninstalling the extension ring and port when installing lens, please
clean the surface of the housing, remove water droplets, to prevent water or foreign objects from entering
into the housing.
10. Put the housing and its accessories out of young children's reach, to avoid small parts or lubricant
accidentally swallowed by children. In case this happens, please get necessary medical treatment
immediately.
11. Except for the lubricant that’s provided by Marelux, don't use any other chemical, cosmetic, dissolvent
material on the housing surface and its accessories.
12. If this product is not used for a long period, check the housing along with its accessories carefully according
to the manual before reusing it.
13. Marelux is not responsible for losing or damaging of user's photo, video or other form of user data in the
camera or memory card. Marelux is not responsible for damages of user's camera, lens or other accessories
when Marelux products are not properly used according to this user manual. Marelux will take no
responsibility for any mistakes or discrepancies in this user manual.

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O-Ring Notices
1. Always check carefully if there is scratch, crack, deformation on the O-Ring. Remove any foreign objects
such as sand, dust, or hair on the O-Ring.
2. For maintenance of the Marelux O-Ring, only use the original lubricant supplied by Marelux. Any
unauthorized usage of lubricant or chemical material from other brands on the O-Ring may cause
malfunction or damage of the O-Ring and even lead to leakage to the housing.
3. Change the O-Ring if there is any scratch, crack, deformation, avoid using tools with sharp edge to change
the O-Ring.
4. After ensuring the O-Ring is in good condition, use fingers to apply a thin layer of lubricant on the O-Ring. Be
aware that too much lubricant may make dust, sand, hair or other small objects easy to stick on the O-ring.
5. Put the O-Ring straight into the O-Ring slot on the housing without twisting it.
6. Suggest taking out the O-Ring to check before each use of the housing.
7. If not used for a long time, please take out the O-Ring and put it in a cool place without direct sunlight. Don’t
put any pressure on it or twist it.
8. Don’t overstretch the O-Ring.
9. The recommended normal use time of O-Ring is 1 year and it varies due to frequency of usage, maintenance
and storage situation. Please replace it whenever any issue is found during examination.

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Part Names and Functions
Front+Back Side View
5
3
2
1
6
18
19
17
16
15
12
14
11
10
7
8
（1）RF Lens release
（2）EF Lens release
（3）LOCKOPEN
（4）MF/AF
（5）MENU
（6）LOCKOPEN
（7）Movie shooting button
（8）OK
（9）Auto-Exposure Lock
（10）AF-ON
（11）M-FN
（12）Auto Focus Point Selection
（13）REC
（14）Security Lock
（15）Delete
（16）Playback button
（17）Cross keys
（18）INFO
（19）Alarm Light
4
9
13

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Part Names and Functions
Up+Down Side View
（1）Power switch
（2）Rear Dial
（3）ISO speed setting button
（4）<LOCK>
（5）MODE
2
3
4
8
5
6
7
9
（6）Fiber Connector
（7）Sacrificial Anode
（8）1-20 UNC Screw Hole
（9）Sacrificial Anode
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6
Part Names and Functions
2
1
3
4
6
7
（1）<AF-ON>
（2）Security Lock
（3）Security Lock
（4）REC
（5）Zoom Dial
（6）Zoom Dial
（7）MENU
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Left+Right Side View

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7
Before installation, please position the lever at the state shown in
the diagram at the lens.

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8
Install Camera
Remove the adhesive tape ring on
the camera viewfinder
Take out the camera
bassplate first.
Align and fasten the screw on the
base plate to the screw hole under
the camera body.

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9

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10
Install Camera
Remove Camera
Lock the camera with baseplate
onto the mounting base by
pushing the handle to the left.
the handle to the left to secure it
Align the baseplate below the
camera to the slot on the
mounting base,
and push the camera
Push the handle on the rightside
of the housing mounting base to
the right.

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11
Push the handle back to the left
to lock it.
Pull the camera out of the
mounting base.
Push the handle to the right
to release the camera from
the mounting base.

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12
Open Housing Body
Caution:
1. Please place the housing body on a flat surface before opening it.
2. Pull up the red knob of the vacuum valve to balance air pressure inside and out side the housing.
Separate back cover from
front cover of the housing with
both hands.
Push the buttons of
security locks on both
sides simultaneously
Push the buttons of
security locks on both
sides simultaneously
Push two knobs
upwards to the end to
release the lock
Push two knobs
upwards to the end to
release the lock
Turn the housing lock
outwards.

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Close Housing Body
Caution:
1. Before closing the housing body, clean the O-Ring and put lubricant on it.
2. Make sure there is no foreign object accidentally staying between, and align the fringes of front and back
cover
Push both knobs of the
security locks
downwards to the end.
Push both knobs of the
security locks
downwards to the end.
Push the security locks
on both sides inwards
till a click is heard then
the lock is in place.
Push the security locks
on both sides inwards
till a click is heard then
the lock is in place.
Turn the housing lock
inwards.
Till the lock is in position.

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Set up the moisture indicator and the
leak detector alarm
Diagram 2
The indicator will blink twice in green (diagram 1)
Then keep blinking in yellow (diagram 2)
Diagram 1
Press the red on/off button for one
second to turn on the leak detector
Press the battery gently
till it touches the bottom.
Take out the insulation
film of the battery.

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15
Mounting Ball Installation Diagram
Handle
Ball Mount
M5 Screw
M5 Spring Washer
M5 Washer
Lift Ring

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Install O-Ring
Caution:
1. Use finger or tool without sharp edge to take out the O-Ring from the housing.
2. Clean the O-Ring and the slot on the housing with a soft cloth, make sure there is no salt or other foreign
objects remaining.
Gently put lubricant on the O-Ring.
Put the O-Ring back into the slot by
inserting it into one corner first, then
slowly press it in along the slot.

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17
Install Extension Ring
Gently apply the supplied lubricant on the
O-Ring and install it on the sealing
groove.
Set the safety lock of the extension ring
in bulge state. (As shown in figure)
01
02
03
Align the dot sign on the extension ring
to the bar sign on the dome port, then
press the extension ring onto the dome
port till they are fully attached.
(As shown in Figure 1)
(1)
Figure 1
Safety lock

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04
Rotate the extension ring
counterclockwise until the dot sign on
the extension ring is aligned with the dot
sign on the dome port. Turn the dome
port to verify that the safety lock is
locked. (As shown in Figure 2)
(2)
Figure 2
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Press the button on the extension ring
lock and pull the knob outwards to open
the lock.

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(3)
06
Hold the dome port assembled with the
extension ring, align the bar sign of the
extension ring with the dot sign of the
housing, then press the extension ring
onto the housing till they are fully
attached.
(As shown in Figure 3)
Figure 4
Figure 3
07
Rotate the extension ring clockwise
until the dot sign on the extension ring
is aligned with the dot sign of the
housing. (As shown in Figure 4)
(4)

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08
Push the extension ring lock of the
housing inwards till it’s fully locked.