Motorola JT 1000

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29 General Information
Transmitting Distance
Several conditions determine the distance that your radio will transmit a
clear data/voice communication. The following list describes many conditions and
their typical affect on your radio's transmitting distance.
Condition Description Effect
radio's power more power longer distance
radio's frequency lower frequency (VHF compared to UHF) longer distance
radio's tuning properly tuned radio (on frequency, more power) longer distance
stormy weather adverse atmospheric conditions shorter distance
at sea better ground plane (clearer line-of-site) longer distance
city large/tall buildings (interference problems) shorter distance
in a building structural boundaries (interference problems) shorter distance
on a tall building's roof less interference (clearer line-of-site) longer distance
PL/Carrier Squelch PL On Carrier Squelch Carrier Squelch
(default feature)
Scan/Talkaround Direct/Scan Off Repeat/Scan Off Repeat/Scan On
Scan/Quik-Call II Quik-Call II Carrier Squelch
Scan Off Scan On
Scan/Squelch PL On Carrier Squelch
Scan Off Scan Off Scan On
Scan/PAC•RT Transmit PL Carrier Squelch
Scan Off Scan Off Scan On
Scan/Scan Programming 1 Scan Scan Off Scan On
Program On
Scan/Scan Programming 2 Scan On Scan Off Scan
Program On
Talkaround Direct Repeat Repeat
Quik-Call II Quik-Call II Carrier Squelch Carrier Squelch
PAC•RT Transmit PL Carrier Squelch Carrier Squelch
Table 2. 3-Position Toggle Switch Programmable Feature List
Feature Position A Position B Position C
For more detailed information on programmable parameters, contact your
Motorola sales representative for radio service software.
Note: The 3-position toggle switch can be programmed to be non-functional using
radio service software.