Garmin Oregon 450 Quick Start Manual - Page 2

 Warning See the Important Safety and Product Information guide in the product box for product warnings and other important information. Oregon units operate on two AA batteries. Use alkaline, NiMH, or lithium batteries. Use precharged NiMH or lithium batteries for best results. Standard alkaline batteries are not recommended for Oregon 550 units when using the camera feature. To install the batteries: 1. Lift the latch and remove the battery cover. Battery cover Latch Weather cap 2. Insert the batteries, observing polarity. 3. Replace the battery cover and push the latch down. To select the battery type: 1. Touch Setup > System > Battery Type. 2. Select Alkaline, Lithium, or NiMH.  Oregon Series Quick Start Manual