: Check that both units have fresh batteries, especially if the blue LED lights up on the receiver but fails to trigger the shutter.

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Dual-stage button. Half-press focuses; full-press triggers the shutter immediately.

Sets the time between successive shots. Together with LONG and N, this is the core setting for time‑lapse sequences.

To change the channel on the transmitter, press the arrows to highlight the channel icon ( CH ). Press SET . The digits will flash.

The receiver mounts directly to your camera's hot shoe or attaches via a lanyard, connecting directly to the camera's remote terminal. : Turns the unit on or off.

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Press and hold to turn the receiver on or off.

Dual-stage button for focusing and triggering the camera.

[ DELAY ] ───► [ LONG ] ───► [ INTVL ] ───► [ N ] ───► [ BKLN ] Parameter Explanations & Setup Steps User-manual-4236178.pdf - FCC ID

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You can use the transmitter as a standard remote release without setting any timers. Focusses the camera (Receiver LED turns green). Full-press: Fires the shutter (Receiver LED turns red).