Switches And Their Functions; Operation Switches - Canon EOS 7 Service Manual

2. SWITCHES AND THEIR FUNCTIONS

2.1 O S
PERATION WITCHES
No. Code
1 SW1
2 SW2
3 MAIN1,2,3,4SW
4 SPDN SW
5 AELK SW
6 AFSEL SW
7 MDIA1,2 SW
8 FUNC SW
9 MES SW
10 REW SW
11 AF MODE SW
12 DRIVE/SELF SW Film advance selector
13 SUBON SW
14 SDIAL1,2 SW
15 CAL SW
Name
Focusing/metering
Shutter release
Picture-taking mode
selector (Command Dial)
Depth-of-field preview
button
AE lock, partial
metering, FE lock
Focusing point selector
Main Dial
Function button
Metering mode button
Midroll rewind
AF mode selector
Quick Control Dial
switch
Quick Control Dial
Eye Control switch
2-23
Part 2: Technical Information
Function
Focusing and metering starts at SW-1.
Picture-taking starts at SW-2.
Selects the picture-taking mode.
Stops down the aperture in the
Creative Zone modes. Also fires a
modeling flash with the 550EX, MR-
14EX, or 420EX attached.
When ON in a Creative Zone mode, AE
lock takes effect. Partial metering at
center (switchable to focusing point-
linked partial metering with C.Fn 8-1)
takes effect regardless of the set
metering mode. With an EX Speedlite
attached, FE lock takes effect.
When ON, focusing point selection is
enabled with the Main Dial or focusing
point selection keys. (The selection
method can be altered with C.Fn 11.)
Operated in conjunction with other
camera controls (to set exposure
compensation, AEB, multiple
exposures, etc.)
Sets the ISO film speed, red-eye
reduction, beeper, multiple exposures,
flash exposure compensation, and
AEB.
Selects evaluative, partial, or
centerweighted metering mode.
When ON, rewinds the film in midroll.
Selects the ONE SHOT, AI SERVO, or
AI FOCUS AF mode.
Selects single or continuous shooting,
self-timer, or wireless remote control
operation.
When ON, the Quick Control Dial
operation is allowed.
Operated in conjunction with other
camera controls (to set exposure
compensation, aperture setting in
manual mode, flash exposure
compensation, etc.)
Selects the Eye Control's ON, OFF, or
CAL.