1. To replace batteries in the z sensor, locate the panel and 4 screws on the front of the device. The yellow sticker remains adhered to the panel, but you may remove this panel when replacing batteries.

2. בעזרת מברג ראש פיליפס או מקדחה, פתחו את כל 4 הברגים והניחו אותם בצד.

3. הסירו את לוח הפלסטיק הלבן. המדבקה הצהובה צריכה להישאר על הלוח במהלך החלפת הסוללה.

4. Replace the z sensor's batteries (2 AA Energizer Lithium).

5. Replace the white panel and gently secure the screws back in. Screwing them in too tightly may crack the panel and compromise the device.

6. Press the power button one time to turn the device back on.

1. The z screen shows the battery level of both the screen and the sensor itself.

2. To replace the batteries on the z screen, locate the small ridge on the bottom of the device.

3. Insert a small coin into the ridge and twist the coin to open.

4. Carefully run the coin along the seam and pull up until the device splits into two.

5. Replace the screen's batteries (4 AAA Energizer Lithium) and snap the two pieces of the device back together.