Nokia 9000 クイック設定ガイド

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Satellite masks
As satellites approach the horizon, their signals can become weak and
distorted, preventing the receiver from gathering accurate data. Satellite
masks enable you to establish criteria for using satellite data in a position
solution. There are three types of satellite masks: Elevation, SNR and
PDOP.
SMS
Short Message Service
SMS-C
Short Message Service Centre
SPS
Standard positioning service. Refers to the GPS as available to the
authorized user.
TAIP
Trimble ASCII Interface Protocol
TANS
Trimble Advanced Navigation Sensor
TSIP
Trimble Standard Interface Protocol
TxD
Transmitted Data. RS-232 Signal Function Connector Pin Designation.
UTC
Universal Time Coordinates. Uniform atomic time system/standard that is
maintained by the US Naval Observatory. UTC defines the local solar
mean time at the Greenwich Meridian
UTC offset
The difference between local time and UTC time (Example: UTC – EST =
5 hours)