ViewSonic EP5520T EP5520T User Guide English - Page 15

2.1.1. Installing remote control Batteries To install remote control batteries: 1. Open the battery cover. 2. Insert two AAA batteries into the battery compartment. Make sure that the + and - symbols on the batteries match the + and - symbols in the battery compartment. 3. Replace the cover. Battery precautions: Improper use of batteries can result in a leakage of chemicals and/or explosion. Be sure to follow the instructions below. • Place batteries with their terminals corresponding to the (+) and (-)indications. • Different types of batteries have different characteristics. Do not mix batteries of different types. • Do not mix old and new batteries. Mixing old and new batteries can shorten the life of new batteries and/or cause old batteries to leak chemicals. • Remove batteries as soon as they are non-operable. Chemicals that leak from batteries can cause a rash. If chemical leakage is found, wipe with a cloth. • Dispose of batteries in a proper manner. • If the remote control is not used for an extended period of time, remove the batteries. • The batteries shall not be exposed to excessive heat such as sunshine, fire or the like. 2.1.2. Aiming the remote control Use the remote control by pointing it towards the remote sensor on the front of your display. Objects between the remote control and the remote sensor may prevent proper operation. Cautions regarding use of remote control 30 30 • Do not expose the remote control to shock. In addition, do not expose the remote 5m control to liquids, and do not place in an area with high humidity. • Do not install or place the remote control under direct sunlight. The heat may cause deformation of the unit. • The remote control may not work properly if the remote sensor window of the main unit is under direct sunlight or strong lighting. In such a case, change the angle of the lighting or the display set, or operate the remote control closer to the remote sensor window. 5