Beltronics Express Cordless Owner's Manual - Page 6

. A diagram indicating placement of each battery appears at the bottom of the compartment. Gently press the batteries down into place. . Replace the battery compartment lid. Auto Shut-Off To conserve battery life, if no alerts or button activations occur for approximately one hour, the auto shut-off feature will engage. An obtrusive,  second audio/visual warning and an additional 5 second visual warning will confirm the unit is about to shut off. To defeat auto shut-off, press any button during this 8 second warning. Low Battery Warning Three warnings alert you as battery power diminishes. The level of battery life remaining is confirmed by the following: hours battery life remaining: the "" (battery ashes once followed by the green or amber ashing three times. This flashing pattern will continue for two hours. . Less than  hours battery life remaining: the green or amber ashes once followed by the red ashing three times. . Final warning: red ashes continuously coupled with a loud, obtrusive audible warning, confirming a new battery is required. Please note-we advise you take Cordless indoors after use during cold weather. In some circumstances, the "" (battery)  may flash if the battery is extremely cold. Once the battery warms up however, this situation will be corrected. Power-Up Test Sequence Each time your unit is turned , alerts for Laser, K, Ka, X and sws™ (leds 1-4) are presented briefly, followed by the illumination of the "h", "c" and "b" leds. After this sequence,  illumination of led #1 and/or led #2 indicates if Selectable