Directions for use: Please read this operation manual carefully before using thisauto-feeder. This auto fish-feeder is designed specially for dispensing the fish food automatically with fixed quantity at the fixed time. With this auto-feeder you can feed four times a day for any amount of fish for your desire. The feeder is the key to a healthy and long Fish life. Warning!! Never stop or rotate the container by hand. Any damage will not be covered by the warranty!! 1: Housing 2: Drive unit with battery compartment. 3: Pressing button for manual feeding. 4: Programming buttons. 5: Container cover. 6: Feed container. 7: Adjustable lid for feed dispensing.Battery installation. Remove the housing cover for the installation of the batteries. See the symbols + and - for the correct way of installation of the batteries. Use two AA 1.5v alkaline batteries (do not use rechargeable batteries). If the symbol LO appears on the display, it means that the batteries are almost empty. The feeding procedure will still be carried out, but the batteries have to be replaced in 2 days. Programming. General Function Buttons: MODE button: local time and feeding time can be set by this button. SET button: After pressing the MODE button SET button allows the respectively displayed times to be changed. + button: After pressing the SET button, the respectively effected symbol (either time or feeding mode) blinks and can be set to a higher number with + button. Programming Feeding Time 1: Press MODE button, feeding time 1 is displayed with 00:00 and the digit 1 on the upper section of the LCD. Press SET button, hours blink, then press + button to set the hours. Press SET button, minutes blink, then press + button to set the minutes. Press SET button, digit 1 blink, then press + button and ¯ or ¯¯ appears to set 1 or 2 dispensed feedings. To program feeding times 2 to 4, the procedure are the same as to program feeding time 1. After programming feeding time, please press MODE button sequentially to check the feeding and the dispensing times (the LCD will show the feeding time and dispensing times you set respectively). During programming procedure, if no any button pushed in 5 minutes, all programming will be stored displayed on the LCD. M button: For feeding outside the programmed times, press the M button, which allows the rotating of the container to be triggered manually.Filling: Take out the container unit lengthwise and remove the cover on the back, clean the drum, fill the amount of feed. Then place the cover back on and inset the drum unit onto the axis. This Micro-computer controlled auto-feeder is suitable for dry feed such as flake food and granulates. Do not use for live or freezed feed. Feeding amount: By adjusting the slider, the container opening can be varied in order to dose the required amount of feed. Positioning: Place the Micro-computer controlled auto-feeder on the aquarium cover so that feed can fall freely to the surface of the water.