EQUIPMENT MANUAL:
MODELS DA118 and DA120 PPM 360 Meter
Document #: 1050-xxxx
Revision: B
CONFIDENTIAL AND PROPRIETARY INFORMATION
Copyright © 2015 The Nielsen Company. All rights reserved.
11
DA114 Main Functions
DA114 I n - H o m e B e a c o n ( I n H o m e T r a n s m i t t e r ) is an accessory of Models DA118 and
DA120. The purpose of the In-Home Beacon is to allow Nielsen Audio to determine when the
panelist wearing the PPM 360 Meter is within transmission range of the In-Home Beacon, and so
determine the panelist is within the home. Conversely if the panelist wearing the PPM 360 Meter is
beyond transmission range of the In-Home Beacon, it is determined that the panelist is not within the
home.
The DA114 In-Home Beacon is comprised of a simple DC power supply and Bluetooth integrated
circuit device.
The working process of the DA114 In-Home Beacon is:
Power-on reset directly by DC power supply, and then the Bluetooth module sends a specific
Device ID and Bluetooth address automatically. The work cycle is 60 minutes. After one cycle is
complete, it automatically goes into next same cycle. DA114 will not allow any Bluetooth device to
match, so it will not have any data transmission, it is only specifically identifiable through the
Bluetooth wireless device.
