Canon MT-26EX-RT Macro Twin Lite - Manual (Page 28)

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Turning on the Power
To save battery power, the power will turn off automatically after approx.
90 sec. of idle use. To turn on the MT-26EX-RT again, press the
camera’s shutter button halfway or press the test flash button (flash-
ready lamp).
When set as the master unit for radio transmission wireless multiple
flash shooting (p.58), the time until auto power off takes effect is approx.
5 min.
By setting the power switch to < a >, you can disable the flash’s
button and dial operations. It is useful when you want to prevent the
flash function settings from being accidentally changed after you set
them.
If you operate a button or dial, <
k > is displayed on the LCD panel.
While the lock is active, the functions displayed above function buttons
1 to 4, such as <
u > and < @ >, are not displayed.
Auto Power Off Function
Lock Function