Firmware Upgrade
1. Do not place the product in an environment where the temperature is
higher than 50℃.
2. The operating temperature of the product should not be higher than 40℃.
3. Do not subject the product to a strong physical impact. Dropping the
device may result in irreperable damage.
4. Please do not flash directly into the eyes (especially the eyes of infants),
otherwise it may result in short term visual impairment.
5. This product is not waterproof and should be kept out of the rain and
humid environments.
6. Please do not disassemble the product. It should only be repaired by
a qualified professional.
7. Do not use near a fire. If a bulge develops in the battery or housing, the
flash should not be used.
8. If the device malfunctions in any way please turn off the flash power
immediately.
9. Do not use the flash in the vicinity of chemicals, flammable gases or other
special substances, which in special circumstances may be sensitive to the
instantaneous glare emitted by the flash and may lead to fire or
electromagnetic interference. Particular attention should be given to any
relevant warning signs.
Care and Maintenance
▪ If the flash starts to malfunction, the power should be turned off
immediately to identify the cause.
▪ The flash body should not be subjected to excessive vibration and kept
dust free.
▪ It is normal for the lamp body to heat up slightly during use. Do not trigger
the flash continuously if it isn't necessary.
▪ If the product fails or is wet, please seek assistance from a qualified
professional.
▪ Changes to the technical specifications of the product may be made
without prior notice.
This product supports firmware upgrades via the USB port. The latest
software announcements and instructions will be posted on the official
website.
▪ This product does not come with a USB upgrade cable. Please purchase
separately. The USB port of this product is a Type-C port.
▪ Refer to "Neewer_Firmware_Update" program software to upgrade the
firmware. Please download and install "Q4 firmware upgrade software"
and select the corresponding firmware file before upgrading the firmware.
▪ Please refer to the latest e-manual for updated information whilst the
product is being upgraded with firmware.
Sync Jack
The sync jack is Φ3.5mm and can be plugged into a sync cable or trigger plug
to synchronise the flash.
※ When using the sync port to trigger the flash, the wireless 2.4G mode and
S1/S2 modes must be deactivated.
※ The synchronization speed should not exceed 1/200 when using the
sync port.
Troubleshooting guide
Flash underexposure or overexposure.
Using HSS mode.
The effective flash range is smaller when using High Speed Sync, so make
sure the subject is within the effective flash range.
▪ Using M mode.
Please try to change to TTL mode or modify the flash output power.
13
Notes
EN
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