Airwave Flashcards
What type of call is a P2P call
Individual cal over the network from 1 person to another over the airwave network
What is a ISSI?
Individual short subscriber identifier linked to TEI (TET?)
When do you use DMO and what does it stand for?
Line of Sight (4km planned; 200m - 300m reality) IE: in areas of no coverage
Direct mode operation
Two places to find the ISSI?
And what does it stand for?
- on the screen top left of the idle screen
- hold 0 or select help from settings
Individual short subscriber identifier
Talk group on a scan
2 to 10 (S; M; H)
How do you send a short data message (text)?
Write text, save it then select and send it
What is the mode and name two features of it?
Megaphone with a line through it
Covert mode
Backlight off Speaker off Large font LED off Increased mic sensitivity Disable alerts
Icon for a repeater?
V
—>|—>
Arrow radio tower arrow
How do you dial a number?
Type the number
Select the old style phome icon by pressing down
Press the green phone button
What is the level of protective marking for a message you send in direct mode of operation?
Unclassified or Restricted depending on talk group
What must you do when you enter a place where mobile phones or radio use is prohibited?
Turn of or select TX inhibit if allowed
Why should the terminal be turned off, before removing the battery?
To avoid loosing settings or activating the soft tamper error
What is the function of the soft keys?
Short cuts to the radio and settings
What does the following letters indicate on the start up screen?
#!@(T) #!@(T2)
Out going PSTN only
PSTN access
What does this symbols indicate?
Old type phone
Unclassified PSTN network
What is the maximum protection for an E2E call with a shield icon?
Confidential
What is the airwave interface call classification?
Restricted
What is the battery life of the extended battery and the standard battery?
12 hours extended
8 hours standard
What does TETRA stand for?
Terrestrial trunked radio
What does this symbol indicate?
Padlock top right
Non secure
What does this symbol indicate?
Radio with a Globe top right
Network gateway
What soft key locks and what appears on screen?
(*) and a upside down key
What does DMO stand for?
Direct mode of operation
Icon for gateway?
Base station face with a globe
If you loose a handset what should you do?
Search for a hour
Inform commander
Inform USO
What does TEI stand for?
Tetra equipment identifier
What does LAT stand for?
Land airwave team
What does TMO stand for?
Trunked mode operation
Explain call hang time?
The 2.5 seconds after the PTT is released before the radio clears down the call, given other users in the talk group a chance to respond
What are the LED indicators?
Solid green - receiving Red - transmitting / faulty battery if connected to charging unit Flashing red - battery low Orange - charging Flashing Orange - is a p2p call
What does a E mean at the end of a group name or channel name?
Encrypted
What is the protective marking for E?
(E)ncrypted = Restricted
A shield = confidential
In a scan group, what is the selected group?
Group the radio will monitor primarily
Prior to activating DMO gateway mode, what should a user check?
Both DMO and TMO channels are set to correct channel
If another gateway is detected what happens to the terminal?
Gateway monitor function will not allow you to use the DMO talk group already in use
True or false, TETRA stands for trunked terrestrial radio?
False, it’s terrestrial trunked radio
On the handset what does the soft key number 9 do?
Alternates between DMO and TMO
Name the 2 version?
SRH3500
SRH3900
What antenna do we use?
Extended compressed helical
Three different locations it is used?
National, regional, unit
Name the 4 user level checks?
Daily
End of work
In use daily checks
Pre and post move checks
