Wireless Control FunctionThe flash unit has built-in 2.4G wireless transmission, which can be used together with X1 and XT16 flash trigger.Synchronously press the <GR/CH> Button and the <S1/S2> Button can turn on the built-in wireless transmission and the < > is displayed. If there are other wireless flash systems nearby, you can change the channel IDs to prevent signal interference. The channel IDs of the master unit and the slave unit(s) must be set to the same.Setting the Communication ChannelSetting the Communication Group
Slave Trigger ModelThree slave triggering models are available and can be set by pressing slave model button (6).◆No optical control: S1 or S2 is not displayed on the LCD panel, indicating the slave triggering function is shut down.◆Optic S1 Secondary Unit Setting: In M manual flash mode, press <S1/S2> button so that this flash can function as an optic S1 secondary flash with optic sensor. With this function, the flash will fire synchronously when the main flash fires, the same effect as that by the use of radio triggers. This helps create multiple lighting effects. ◆Optic S2 Secondary Unit Setting: Press <S1/S2> button so that this flash can also function as an optic S2 secondary flash with optic sensor in M manual flash mode. This is useful when cameras have pre-flash function. With this function, the flash will ignore a single “preflash” from the main flash and will only fire in response to the second, actual flash from the main unit.Buzz FunctionThe BUZZ button (8) is used for deciding whether there is sound reminder for ready flash after recharging. When the buzz indicator is on the LCD panel, the buzz function is working; when it is disappear, the buzz function is not working. A “BI” sound will be heard when it’s fully charged.Key CombinationSynchronously press the <GR/CH> Button and the <S1/S2> Button can turn on/off the built-in wireless transmission. If there are no wireless and channel indicators displayed on the LCD panel, the built-in wireless transmission is off. On the contrary, the built-in wireless transmission is on.Alarm DisplayE0 The temperature sensor is not connected.E1 When charging, the capacitance and voltage are not rising within 1 second.E2 The fastest heating-up component is over the extra temperature.E3 Discharged capacitance and voltage＞rating +10%Alarm sounds, BIBI, ringing per 0.5 second. Press SET button to stop alarming.Memory FunctionThe device is equipped with memory function for the panel setting. It will help remember the panel setting 3 seconds after you set it. When starting up the flash next time, the panel setting will be the same as that before powering it off.CH
S
OFFON
Long press the <GR/CH> 1Button for 2 seconds until the channel IDs is blinking.Turn the Select Dial to choose 2the channel from 1 to 32.Press the <SET> Button to 3confirm.
CH
S
OFFON
Short press the <GR/CH> 1Button for 2 seconds until the group IDs is blinking.Turn the Select Dial to choose 2the group from 0 to F.Press the <SET> Button to 3confirm.
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