Canon EOS 1V, Service Manual

Page: 21 / 240

4-8 AE Lock (1) Auto AE lock
In the One-Shot AF mode with evaluative metering,
AE lock is set when focus is achieved.
(2) Manual AE lock
Set with the AE lock button (resets when pressed
again). Enabled in all metering modes.
* AE lock cancels when any of the following occurs:
The metering turns off, main switch is set to L, a
mode button (CLEAR, REW, Custom Function, etc.)
is pressed.
* When a Speedlite is used and it is charged and
ready, the AE lock button will not function.
4-9 Multiple exposures: Maximum 9 multiple exposures per frame.
(Cancelable and resettable at any time.)
Cancels automatically after all the multiple exposures
are taken. Multiple exposures during continuous
shooting enabled (exposure shift less than 0.1 mm).
5. Shutter
5-1 Type: Vertical-travel, focal-plane shutter with all speeds elec-
tronically-controlled.
* Front and rear shutter curtains both have dedicated
rotary magnet control. (Curtain speed: 2.2 ms/24mm)
5-2 Shutter speeds: 30 to 1/8000 sec., X-sync at 1/250 sec.
In the shutter speed-priority AE and manual exposure
modes, shutter speeds in 1/3-stop increments can be
set.
◆
For bulb exposures, the exposure time is displayed
on the LCD panel from 1 - 23 hours and 00:00 -
59:59 min. and sec. (LCD panel shows three bars for
every 30 min. up to 120 min.)
5-3 Shutter release: Soft-touch electromagnetic release (no cable release
socket)
5-4 Release time lag: Shutter release time lag for stopping down three stops
from the maximum aperture (excludes AF operation
time):
(1) Time lag from SW-1 ON to SW-2 ON and film expo-
sure: 55 ms
(2) Time lag from SW-1 and SW-2 to film exposure:
191 ms
5-5 Self-timer: 10- or 2-sec. delay.
* Self-timer in progress is cancelable by turning the
main switch to L.
* Self-timer operation indicated by self-timer lamp (2
Hz for the first 8 sec., then 8 Hz for the remaining
two sec.)
Self-timer countdown displayed on frame counter.
None
5-6 Camera shake
warning:
1-19
Part 1: General Information