Canon SPEEDLITE 540EZ Service Manual page 14

8. Display
8.1 LCD display
8.2 Charge complete display
8.3 Display unit illumination
9. Synchro timing
10. Flash duration
11. Color temperature
12. Film speed
13. AF auxiliary light
13.1 Light source
13.2 Pattern
13.3 Effective range
Part 1: General Information
(1) Zoom position (hyphens are displayed when the flash
head is in a bounce position.)
(2) Manual zoom mark
(3) Flash aperture value
(4) TTL auto flash mode (A-TTL, TTL)
(5) TTL flash coupling range (numeric bar display)
(6) Manual firing mode
(7) Manual output level
(8) Manual correct distance (numeric bar display)
(9) Multi-firing mode
(10) Multi-firing frequency (Hz)
(11) Multi-firing frequency
(12) Second curtain sync setting
(13) Bounce mark
(14) Catch light reflector setting
(15) Flash exposure compensation mark
(16) Flash exposure compensation value
* For the diplays of (5) and (8), the user can select
either meters or feet by setting the switch in the
battery compartment.
(1) Normal charge complete display: The red pilot lamp
(LED) comes on. (Full charge - 1 step)
(2) Quick charge complete display: The yellowish green
pilot lamp (LED) comes on. (Full charge - 4 steps)
Full-surface uniform transmission illumination (yellow-
ish green) for the LCD panel is incorporated.
The lamp comes on for 8 seconds when the illumination
button is pressed. (When this button is pressed in the
lamp ON status, the lamp goes out.)
Either first or second curtain sync can be selected.
1.5ms or less
Equivalent to daylight.
ISO 6 to 6400. No setting on flash, controlled by the
camera. The flash coupling distance range shifts with
the film speed.
Ultra-high luminance red LEDs (2 used)
Stripe compatible with 5-point focusing system (center:
vertical, left/right: horizontal)
Center 0.5 to 15m; Outer 0.7 to 6m (in low-light)
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