Airwave Flashcards
PM for messages in DMO
Unclassified
Restricted
Dependant on talk group
Tetra
Terrestrial trunked radio
What should you do when you enter a place where mobiles are prohibited
Turn off
Select TX inhibit
P2P
Call from 1 to another over the AW network
If lost terminal
30min search
Contact service desk
Complete loss report
ISSI
Individual short subscriber identity number
TEI
Terminal equipment identifier
What’s the ISSI linked to
TEI
Why turn off before removing the battery
To avoid loosing settings
E2E drops its fill if battery is removed power on
When DMO used
In areas of no airwaves coverage
Where is the ISSI
Top left screen
Under battery
DMO range
4k
Red led
TX
Flashing - low battery
Green led
RX
Fully charged
Orange led
Flashing - P2P call
Solid - charging
SDS
Short data service
Which soft key would you use to swap between TMO/DMO
9
Speaker with cross through it
Covert mode
PSTN
Public switch telephone network
Model called
Sepura SRH3900
Padlock in screen
Unencrypted
Gateway symbol
Globe
Repeater
Repeater symbol
Repeater
Where would you RX a message
Inbox
TMO
Make a group call over the network
Batter life
8hrs slim
12hrs enhanced
Antenna we use
Blue spot helical
Function of soft keys
Short cuts
Min and max number of talk groups required for a scan group
2
10
ACCSEC
Accountable and secure item
Name of a base station
DMO Repeater
SRG 350
Symbol for new message RXd
Envelope with 3 dots either side
Key in screen
Key pad locked
Hang time
The time after the PTT is released before the radio clears down the call, giving other users a chance to respond
I’m a scan group what is the selected group
The group the radio will monitor primarily
What’s a DMO TMO gateway
Red Retrans
DMO repeater
Talk through/black retrans
How far from a metal road will the tetra network have coverage in the UK
10m
Soft tamper
If the radio thinks someone is trying to tamper with the device it will zeroise and turn off forever
Interoperable with who
Blue light service
Airwaves network approved to
Restricted
Type of encryption
E2E
Soft keys
1- small/large font 2- tel no 3- SDS message inbox 4- configure wide band 5- invert display 6- not used 7- TX inhibit 8- not used 9- DMO/TMO 0- ISSI/help screen *- lock screen
Stored terminal hold
20 days back up power
Shield
Occurs whilst dialling when on E2E talk group
“E”
Encryption
How to change talk group
Mode
<>
Version types
No T no PSTN
T PSTN rx only
T2 TX/rx on PSTN
