ACR Electronics RLB-38 Product Support Manual page 8

2. Anatomy of your beacon
NOTE: When unpacking your beacon, it is recommended that you save the
original packaging for re-use when shipping the beacon for battery
replacement in the future.
// Activation switch with Witness Tab
The activation switch embodies a special, patented method of activating a
beacon. Refer to a subsequent section of this manual for how to activate the
beacon.
// Optional External GPS interface
The external GPS Interface serves as the connection to the ship's GPS
system. Use of this feature requires the purchase of an Optical GPS
interface Cable .
Y1-03-0250 Rev. C 7