Hytera HM782 - 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
Existing devices should be upgraded to Hytera's iM or iS firmware before being used as part of a system.
Speak to your Hytera dealer about how to upgrade your existing devices and for more information on Hytera's
iM or iS firmware.