Optimus Ultra-Miniature Tie-Clip Microphone (330-3013) Battery Faxback Doc. # 33906 INSTALLING THE BATTERY Your microphone comes with a 357A button-cell battery. Follow these steps to install it. 1. Push the battery compartment cover's tab, then lift it up to open the cover. 2. Insert the battery into the compartment with the positive (+) side up. 3. Replace the cover. NOTES: If you do not intend to use your microphone for several months, remove the battery. Avoid continuous operation or storage in areas of high temperature and humidity. When the output level gets too low for normal use, replace the battery. We recommend you use a silver-oxide battery, such as Radio Shack Cat. No. 23-105. Dispose of the used battery promptly and properly. Do not bury or burn it. WARNING: Do not allow children to play with the battery. Swallowing a battery can be fatal. (YO/EB 5/18/96)