Define AN/PRC-117 Radio
What is the total coverage of the AN/PRC-117?
30-512 MHZ
How often should the HUB battery be replaced?
Annually
Who establishes system time in the JTIDS network?
NTR
The MIDS radio cables can be connected in any order but are keyed to fit what?
Specific connection
What is the 2 hex indicator display after performing a BIT?
AA then -V
What is the frequency band that is available in SINGCARS Operation?
30.000-87.975 MHZ
To zero black data only, which keypad button is used?
ZERO
What must the terminal user receive in order to start the synchronization process?
Initial Entry Message (IEM)
What are the 3 selectable positions on the R/T mode switch?
OFF/0, On, STBY
True or False. A timeslot provides the opportunity to either transmit or receive data throughout the JDN network.
True
How many pre-sets can be made on the AN/PRC-117?
100 presets
To zero all black data, COMSEC and pre-sets at the same time, what is the FCTN switch set to?
Clear
How does the terminal respond to these messages?
User terminal respond to NTR with Round Trip Time (RTT)
Once you turn the PSA power switch to ON, what are 3 things to look for?
Listen for cooling unit blower, verify DC & 280v LEDs are lit on the PSA, & verify green power on LEDs on the Rt is lit
Link-16 is a VHF system?
False - It's a UHF system
In what mode can the AN/PRC-117 that enables copying black data from another's?
Clone mode
What are the 3 types of BITs?
Start up/Operational/Interruptive
When the NTR receives these messages the user becomes __.
Coarse Sync
When loading crypto, at what position is the TERM MODE switch set to?
Standby
What is the Time quality for the NTR?
15
Which antenna connector is an antenna connected to when operating the RS in UHF operations?
VHF HI/UHF
What are the JTIDS/MIDS users known as?
JUs
When the user terminal has refined its clock to a sufficient degree, after receiving replies to several RTTs, it becomes __ & can now __ & __ messages.
Fine Sync, transmit, receive
What does it mean when the secure alarm indicator is lit?
Indicates crypto key problem. (Crypto is missing or invalid)
What are 3 types of BITS that the MIDS/JTIDS can perform?
Start up, Operational, & Interruptive