NEEWER Q4 - Protection System

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To ensure the safe operation of the equipment, the system always carries out
preventive protection. The following icons are for your reference.
Additional Protection Features
Protection System Protection System
1. To prevent the flash head from overheating and becoming damaged, do not
perform more than 75 rapid successive flashes at 1/1 power. After 75 successive
flashes, allow the flash to cool down for at least 5 minutes.
2. If you continue to fire more than 75 consecutive flashes immediately
afterwards, the internal anti-overheating function may activate resulting in the
charging time increasing to more than 6 seconds. If this happens, allow the
flash to cool down for about 5 minutes and the flash will resume normal operation.
3. When the thermal protection is activated, the " " symbol will appear on
the display.
Overheat Protection
Number of consecutive flashes to activate the thermal protection function.
Number of consecutive flashes to activate the overheating protection in
HSS mode：
Power
1/1
1/2(+0.7~+0.9)
1/2（+0.3~+0.6)
1/2（+0.0~+0.2)
1/4(+0.0~+0.9)
1/8(+0.0~+0.9)
1/16(+0.0~+0.9)
1/32(+0.0~+0.9)
1/64(+0.0~+0.9)
1/128(+0.0~+0.9)
1/256(+0.0~+0.9)
75
100
120
150
200
300
400
500
1000
Times
1/1
1/2(+0.0~+0.9)
1/4(+0.0~+0.9)
1/8(+0.0~+0.9)
1/16(+0.0~+0.9)
1/32(+0.0~+0.9)
1/64(+0.0~+0.9)
1/128(+0.0~+0.9)
1/256(+0.0~+0.9)
50
60
75
100
150
LCD Display
Error 1
Error 5
Error 6
Warnings
Flash recycling system not operational, please
restart the device . If this fails to resolve itself, the
device will require repair.
Fan Error
Sensor Error
Power
Times
EN
200
300