Canon Eos M Instruction Manual

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3 Setting Speedlite Functions N
You can set the flash-sync speed for 
flash photography in the aperture-priority 
AE (f) mode.
 : Auto
The flash sync speed is set automatically within a range of 1/200 
sec. to 30 sec. to suit the scene’s brightness. High-speed sync is 
also possible.
 : 1/200-1/60 sec. auto
Prevents a slow shutter speed from being set in low-light conditions. 
It is effective for preventing subject blur and camera shake. 
However, while the subject will be properly exposed with the...

3 Setting Speedlite Functions N
222
You can set the functions in the table below. Note that the functions 
displayed will vary depending on the Speedlite model.
Select [ Flash function settings ].
The flash functions will be displayed.
[Flash function settings] Functions
*For [ FEB] (Flash exposure bracketing) and [ Flash zoom], refer to the 
Speedlite’s instruction manual corresponding to each function.
[Flash function settings]
FunctionPage
Flash mode223
Shutter 
synchronization 223
FEB*
Wireless...

223
3 Setting Speedlite Functions N
Shutter synchronization
Normally, set this to [ First-curtain synchronization ] so that the 
flash fires immediately after the exposure starts.
If [ Second-curtain synchronization ] is set, the flash will fire right 
before the shutter closes. When this is combined with a slow shutter 
speed, you can create a trail of light such as from car headlights at 
night. With 2nd curtain synchronization, two flashes will be fired: 
Once when you press the shutter button...

3 Setting Speedlite Functions N
224
The Custom Functions displayed under [ Flash C.Fn settings] will vary 
depending on the Speedlite model.
1Display the Custom Function.
 With the camera ready to shoot with 
an external Speedlite, select [ Flash 
C.Fn settings ], then press < Q/
0 >.
2Set the Custom Function.
Either tap [ Y]/[Z ] or press the 
< Y A >/ button to select the 
number and set the function. The 
procedure is the same as setting the 
camera’s Custom Functions (p.282).
1Select [Clear...

225
When you switch the power to  or < 2> (or Camera auto off), 
the Self Cleaning Sensor Unit will operate automatically to remove dust 
on the image sensor. Normally, you need not pay attention to this 
operation. You can also activate or stop the Self Cleaning Sensor Unit 
when necessary.
1Select [Sensor cleaning].
 Under the [5 3] tab, select [ Sensor 
cleaning ], then press < Q/0 >.
2Select [Clean nowf].
Select [ Clean now f], then press 
< Q /0 >.
 On the dialog screen, select [ OK] and 
press <...

f Automatic Sensor Cleaning
226
In step 2, select [ Auto cleaningf] and set it to [ Disable].
Dust that could not be removed by the automatic sensor cleaning can 
be removed manually with a blower, etc. Before cleaning the sensor, 
detach the lens from the camera.
The surface of the image sensor is extremely delicate. If the 
sensor needs to be cleaned directly, having it done by a Canon 
Service Center is recommended.
1Set the power to < 2>.
2Detach the lens.
3Clean the sensor.
4End the cleaning....

227
Normally, the Self Cleaning Sensor Unit will eliminate most of the dust 
that may be visible on captured images. However, in case visible dust 
still remains, you can append the Dust Delete Data to the image for 
erasing the dust spots later. The Dust Delete Data is used by Digital 
Photo Professional (provided software, p.340) to erase the dust spots 
automatically.
Prepare a solid white object such as a sheet of paper.
 Set the lens focal length to 50 mm or longer.
 Set the lens focus mode...

3 Appending Dust Delete Data N
228
3Photograph a solid-white object.
At a distance of 20 cm - 30 cm (0.7 ft. 
- 1.0 ft.), fill the LCD monitor with a 
patternless, solid-white object and 
take a picture.
The picture will be taken in aperture-
priority AE mode at an aperture of f/22.
Since the image will not be saved, the 
data can still be obtained even if there 
is no card in the camera.
When the picture is taken, the camera 
will start collecting the Dust Delete 
Data. When the Dust Delete Data is...

229
7
Image Playback
This chapter explains functions related to viewing 
photos and movies, in more detail than in Chapter 2 
“Scene Intelligent Auto + Basic Zone Modes and Image 
Playback”. Here you will find explanations of how to 
play back and erase photos and movies with the 
camera and view them on a TV set.
About images shot and saved with another deviceThe camera may not be able to properly display images captured 
with a different camera, edited with a computer or whose file name 
was changed....

230
The LCD monitor is a touch-sensitive panel that you can touch with your 
fingers for playback operations. Press the  button to play back 
images.  (The last shot will appear first.)
If the power is off, you can hold down the < x> button for 2 sec. or 
longer to turn on the camera and display the playback screen.
Swipe with one finger.
 With the single-image display, use 
one finger to swipe the image to the 
left or right to see another image.
Swipe to the left to see the next 
(newer) image or...