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NAS system “channels” and how to change them

One of the key features of Nissin’s unique wireless flash control system, NAS (Nissin Air System), is that it allows only paired devices to communicate with each other without worrying about switching each other’s communication channels.
However, if you’ve ever used a NAS device, you may be thinking, “Huh? There’s the channel setting part, right?” You might be thinking.

In fact, since there are many devices in the 2.4GHz band, interference may occur in some cases, and in order to avoid this, the NAS system also allows you to change the channel settings.
Normally, you don’t need to do this, but we’ll show you how to do it in case of emergency.

[for Air1]

In the case of the Air1, when the power is on and you press and hold the Set button in the center of the dial, all the LEDs will light up only in group B and one of them will be blinking, as shown in the picture. This is the channel setting screen.
The eight LEDs from the left are channels 1-8, respectively. (In the photo, channel 1 is selected and is blinking, so it appears to be off.)
Turn the dial to select the desired channel, then press the Set button to confirm.
In the case of the Di700A used in combination with the Air1, the strobe will be automatically set in conjunction with the Air1.

Please note that channel 1 of Air1 cannot be used with MG8, MG10, and MG80 Pro.

[for Air10s and MG80 Pro]

(In the case of the MG80 Pro, it is in Commander mode.) When the power is on, press and hold the “Channel” portion on the dial to switch to a display of blue channel numbers only, and rotate the dial to change channels.
Once you have decided on a channel, press and hold the Channel portion on the dial again to confirm.
Please note that channel 1 of Air10s and MG80 Pro (commander mode) cannot be used with Di700A, i60A and AirR.

Note: This is why the default channel is set to 2 when purchased and reset.

[Remote flash settings]

In addition to channels 1-8, the i60A and MG80 Pro (slave mode) have A (Auto), which automatically adjusts to the channel settings of the commander side, so normally use this position.

In the case of MG10 and MG8, please use the A (Auto) position as well.

AirR also has an AUTO position. Normally, please use it as is.

The Di700A does not have a manual channel setting option, and only supports auto setting from the commander side.

As you can see, the concept of channel is somewhat different from that of general wireless flash devices, and the channel setting can be changed only for the purpose of “switching to prevent interference”.
Especially for those who are using Air1 (+Di700A), which has a communication range of up to 30m, if you feel that the sensitivity is not good enough, please try changing the channel setting first.