Hytera HP78X - Abbreviations

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12. Abbreviations
Abbreviation
Full Name
AGC
Automatic Gain Control
DTMF
Dual-tone Multi-frequency
ESN
Electronic Serial Number
FOACSU
Full Off Air Call Set-Up
GPS
Global Positioning System
LCD
Liquid-Crystal Display
LED
Light-Emitting Diode
OACSU
Off Air Call Set-Up
PABX
Private Automatic Branch Exchange
PSTN
Public Switched Telephone Network
PTT
Push-To-Talk
SK
Side Key
TF
TransFlash
TK
Top Key
UI
User Interface