ZK User Manual
41
The following screen shows the setup menu for a Retriever in the
Follow_Mode.
In this mode the Retriever can be configured to follow a CDMA phone
(follow phone) connected to another port. The follow phone makes voice
or data calls and the Retriever scans the PNs on the same carrier channel as
the follow phone. In addition, the Retriever is using the same PN Increment
that the follow phone is told to be used by the network.
The retriever compares the Ec/Io values of the PNs it scans with the follow
phone’s neighbor list and values. If there are PNs that are stronger than the
Missing Neighbor threshold and are not in the neighbor list then they are
Missing Neighbors. There are three modes for the Missing Neighbor
Threshold as follows:
• USER - In this mode the user chooses a fixed value in Ec/Io (dB).
When the Retriever measures detects a PN that is not in the Neighbor
list AND is stronger than the threshold it is displayed and logged as a
Missing Neighbor.
• T_DROP - The unit obtains the value of T_DROP from the follow
phone. The T_DROP value is used as the Missing Neighbor thresh-
old. When the Retriever measures detects a PN that is not in the
Neighbor list AND is stronger than T_DROP it is displayed and
logged as a Missing Neighbor.
• T_ADD - The unit obtains the value of T_ADD from the follow
phone. The T_ADD value is used as the Missing Neighbor threshold.
When the Retriever measures detects a PN that is not in the Neighbor
list AND is stronger than T_ADD it is displayed and logged as a
Missing Neighbor.
If there are PNs that are not in the Active Set and are within the range of
the Pilot Pollution threshold then they are Pilot Polluters. The Pilot Pollu-
tion threshold value is set by the user. Pilot polluters can come from PNs in
or not in the follow phone’s Neighbor list.
PHONE #1 SETUP
Class: None Phone
Scanner
Type:
Retriever
GSM Scanner
Follow Phone Port: None
2
3
Missing Nbr Mode:USER T_DROP
T_ADD
Missing Nbr User Threshold(dB): -12
Pilot Pollution Threshold(dB): -5
Summary of Contents for ZK-SAM
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