Flash Firing Restriction Due To Temperature Increase - Canon Macro ring lite MR-14EX II Instruction Manual

Flash Firing Restriction due to Temperature Increase

When continuous flash or modeling flash is repeatedly fired in short
intervals, the temperature of the MR-14EX II may increase. Repeated
firings of the flash activates the flash firing restriction automatically to
avoid degrading and damaging the flash unit due to overheating. While
flash firing is restricted, the warning is displayed to indicate the increase
in temperature, and the firing interval is automatically set to approx.
from 8 up to 15 sec.
Temperature Increase Warning
When the internal temperature of the flash unit increases, the warning is
displayed in two levels.
Display
(Firing Interval: Approx. 8 sec.)
Icon
LCD panel
Number of Continuous Flashes and Rest Time
The following table shows the number of continuous flashes until the
warning is displayed indicating the Level 1 warning, and the necessary
rest time until normal flash shooting can be performed.
Function
Continuous flash*
Modeling flash (p.23)
* At full output
Level 1
#
Red (lit)
Number of Continuous Flashes
to Reach Level 1 Warning
(Guideline)
48 times or more
Level 2
(Firing Interval: Approx. 15 sec.)
f
Red (blinking)
Necessary Rest Time
(Guideline)
10 min. or longer
69