Hytera HM78X - 12 Abbreviations

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12. Abbreviations
Abbreviation Full Name
A
AGC
Automatic Gain Control
D
DTMF
Dual
-tone Multi-frequency
F
FOACSU
Full Off Air Call Set
-Up
G
GPS
Global Positioning System
L
LCD
Liquid
-Crystal Display
LED
Light
-Emitting Diode
O
OACSU
Off Air Call Set
-Up
P
PABX
Private Automatic Branch eXchange
PSTN
Public Switched Telephone Network
PTT
Push
-To-Talk
R
RRS
Radio Registration Services
T
TF
TransFlash
TK
Top Key
X
XPT
Extended Pseudo Trunk