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Power on: Click the switch (it needs to be pressed for more than 0.5s to start)
Shut down: Double click the switch

Counter window light source:
On by default (low brightness)
Long press to turn on high-brightness lighting
When the counter lights up, it means the power back is powered on.

Check power level
When the power is turned on, click once to detect the current battery level.
Non-active real-time detection, check once when you need it
Save power

Photo paper type detection:
When SX70/600 photo paper is detected, the power back does not work, and only the counter window light lights up, making it easy to check the remaining number of photo papers. Press and hold the switch to turn on the light, and release the switch to turn off the light.

Use a 5V 0.5/1A charging head for charging.

Things to note
Important notes:
If you want to use 600 photo paper to shoot
Please first cover the polar contacts of the original battery of the photo paper box with tape or a card.

When you insert photo paper with batteries and don’t want to cover the battery contacts (the normal logic is that you don’t need to turn on the back)
You must first install photo paper before turning on the power back
The power back has a monitoring function. If the photo paper has battery, the power supply of the power back will not be turned on, and the power supply will be directly powered by the photo paper battery.

Please note: When loading photo paper with batteries, clicking the switch will only light up the counter window. This is just for the convenience of checking the number of shots.

This function must first load the photo paper and then start the back to be effective.

Operation process: open the camera -> load photo paper -> turn on the power back (do not operate in reverse)