Glossary

Digital Private Line

A type of coded squelch using data bursts.

(DPL)

Similar to PL except a digital code is used

 

instead of a tone.

 

 

Digital Signal

An RF signal that has a pulsed, or discrete

 

nature, rather than a continuous nature.

 

 

Dispatcher

An individual who has radio system

 

management duties.

 

 

Dynamic

A feature that allows the dispatcher to

Regrouping

temporarily reassign selected radios to a

 

single special channel so they can

 

communicate with each other.

 

 

Failsoft

A feature that allows communications to take

 

place even though the central controller has

 

failed. Each trunked repeater in the system

 

will transmit a data word informing every radio

 

that the system has gone into failsoft.

 

 

FCC

Federal Communications Commission.

 

 

Hang Up

Disconnect.

 

 

LED

Light-emitting diode.

 

 

Monitor

Check channel activity by pressing the

 

Monitor button. If the channel is clear, you will

 

hear static. If the channel is in use, you will

 

hear conversation. It also serves as a way to

 

check the volume level of the radio, as the

 

radio will “open the squelch” when pressing

 

the monitor button.

 

 

Network Access

Network Access Code (NAC) operates on

Code

digital channels to reduce voice channel

 

interference between adjacent systems and

 

sites.

 

 

NiCd

Nickel Cadmium.

 

 

NiMH

Nickel Metal Hydride.

 

 

54

Page 66
Image 66
Motorola XTS2500 manual Dpl, Fcc, Led