Remote Control Sleep Sleep mode isa power-saving feature, shown by a slow pulse of the front pane! power indicator. To exit Sleep, press the Sleep button again. You can also put the A5+ Wireless into and out of Sleep by pressing the front panel volume knob. Replacing the battery If the remote control isn't working or is slow to respond, the battery may need to be replaced. To access the battery, insert a Power _| paper clip into the hole on the back of the remote.