Uniden BCD996P2 English Manual - Page 12

Understanding Quick Keys, Understanding Conventional Simplex And Repeater, Systems

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systems might have hundreds of talkgroups you wish to monitor, you might have to enter those systems into multiple banks in order to monitor all the ID's. Instead of being organized into separate banks and channels, the scanner's memory is contained in a pool. You build the systems and groups then use as much memory as you need in the pool to store frequencies, talkgroup ID's, and alpha tags. With all previous scanners, you selected banks to scan that had channels stored in them. With this scanner, you select conventional 'Systems' (or trunking 'Sites') to scan that have channel 'Groups' stored within the 'Systems'. Conventional systems have frequency groups and trunking systems have ID groups. For trunking systems, you have to create at least 1 'Site' (Motorola and EDACS only) or multiple sites first that hold the trunking frequencies for each site. The ID channel 'Groups' stored within the trunking systems can be used with all the sites. You can store up to 20 'Groups' per 'System' with up to 1000 frequencies or 500 IDs in each 'Group'. You can have 1000 total channels per conventional system and up to 256 'Sites' if you have enough memory. You can have a maximum of 500 Systems, 1000 Sites, and 25,000 Channels. UNDERSTANDING QUICK KEYS There are 100 'System/Site/Search Quick Keys' (0-99) and 10 'Group Quick Keys' (0-9). 'Quick Keys' are used to turn conventional systems, trunking sites (not systems), channel groups, and custom/service searches on and off while scanning. This is not the same as locking out or unlocking systems/sites/groups/searches (which you can also do). They are just the number keys on the scanner but once assigned to systems/sites/groups/searches they become the 'Quick Key's. You can program one or more system/site/group/search to any quick key or, program one or more system/site/group/search with no quick key. Any conventional system, Close Call system, trunked site, group, service search, custom search, or 'Quick Save' system/group not assigned to a quick key (and/or not locked out) will be scanned. It is best to assign everything to quick keys so you don't have to remember what to turn off/on or what to unlock/lockout. There are no indicators in the display showing systems/sites/groups with no quick key so you won't know if they are being scanned unless you see (or don't see) them scroll by in the display. UNDERSTANDING CONVENTIONAL SIMPLEX AND REPEATER SYSTEMS Simplex systems use a single frequency for both transmit and receive. Most radios using this type of operation are limited to line-of-sight operation. This type of radio is frequently used at construction job sites, and with inexpensive consumer radios such as GMRS/FRS radios. The range is typically 1-8 miles, depending upon the terrain and many other factors. Repeater systems use two frequencies: one transmits from the radio to a central repeater; the other transmits from the repeater to other radios in the system. With a repeater based system, the repeater is located on top of a tall building or on a radio tower that provides great visibility to the area of operation. When a user transmits (on an input frequency), the signal is picked up by the repeater and retransmitted (on an output frequency). The user's radios always listen for activity on the output frequency and transmit on the input frequency. Since the repeater is located very high, there is a very large line of sight. Typical repeater systems provide coverage out to about a 25-mile radius from the repeater location. 8

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8
systems might have hundreds of talkgroups you wish to monitor, you might have to enter those
systems into multiple banks in order to monitor all the ID’s.
Instead of being organized into separate banks and channels, the scanner’s memory is contained
in a pool. You build the systems and groups then use as much memory as you need in the pool to
store frequencies, talkgroup ID’s, and alpha tags. With all previous scanners, you selected banks
to scan that had channels stored in them. With this scanner, you select conventional ‘Systems’
(or trunking ‘Sites’) to scan that have channel ‘Groups’ stored within the ‘Systems’. Conventional
systems have frequency groups and trunking systems have ID groups. For trunking systems,
you have to create at least 1 ‘Site’ (Motorola and EDACS only) or multiple sites first that hold the
trunking frequencies for each site. The ID channel ‘Groups’ stored within the trunking systems can
be used with all the sites.
You can store up to 20 ‘Groups’ per ‘System’ with up to 1000 frequencies or 500 IDs in each
‘Group’. You can have 1000 total channels per conventional system and up to 256 ‘Sites’ if
you have enough memory. You can have a maximum of 500 Systems, 1000 Sites, and 25,000
Channels.
UNDERSTANDING QUICK KEYS
There are 100 ‘System/Site/Search Quick Keys’ (0-99) and 10 ‘Group Quick Keys’ (0-9).
‘Quick Keys’ are used to turn conventional systems, trunking sites (not systems), channel groups,
and custom/service searches on and off while scanning. This is not the same as locking out or
unlocking systems/sites/groups/searches (which you can also do). They are just the number keys
on the scanner but once assigned to systems/sites/groups/searches they become the ‘Quick
Key’s. You can program one or more system/site/group/search to any quick key or, program one
or more system/site/group/search with no quick key. Any conventional system, Close Call system,
trunked site, group, service search, custom search, or ‘Quick Save’ system/group not assigned to
a quick key (and/or not locked out) will be scanned.
It is best to assign everything to quick keys so you don’t have to remember what to turn off/on or
what to unlock/lockout. There are no indicators in the display showing systems/sites/groups with
no quick key so you won’t know if they are being scanned unless you see (or don’t see) them
scroll by in the display.
UNDERSTANDING CONVENTIONAL SIMPLEX AND REPEATER
SYSTEMS
Simplex systems use a single frequency for both transmit and receive. Most radios using this
type of operation are limited to line-of-sight operation. This type of radio is frequently used at
construction job sites, and with inexpensive consumer radios such as GMRS/FRS radios. The
range is typically 1-8 miles, depending upon the terrain and many other factors.
Repeater systems use two frequencies: one transmits from the radio to a central repeater; the
other transmits from the repeater to other radios in the system. With a repeater based
system,
the
repeater is located on top of a tall building or on a radio tower that provides great visibility to the
area of operation. When a user transmits (on an input frequency), the signal is picked up by the
repeater and retransmitted (on an output frequency). The user’s radios always listen for activity
on the output frequency and transmit on the input frequency. Since the repeater is located very
high, there is a very large line of sight. Typical repeater systems provide coverage out to about a
25-mile radius from the repeater location.