Sony 4-183-746-11(1) Operating Instructions Manual page 17

OVERHEAT indicator
When the temperature of this unit rises at the time of continuous flash use or use in
a high temperature environment, the flash suspends operation automatically.
• The OVERHEAT indicator blinks when overheating is detected.
• The flash operation is suspended until the temperature of the unit falls.
• Set the POWER switch to OFF, and then stop use of the flash unit for Approx.
10 minutes to allow the temperature of the unit to cool down.
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