Radio Shack 20-521 Scanner User Manual


 
44
Hint: While scanning, you will not know exactly who
the IDs are assigned to until you listen awhile or until
you locate ID lists in frequency guides or on internet
sites such as
www.trunkscanner.com
. Within a few
minutes, you can usually figure out if what you are lis-
tening to is a police, fire, or emergency medical 2-way
radio user. Other IDs might take some time, but deter-
mining who each ID represents is half the fun of trunk
tracking!
Monitoring an Active ID
When the scanner stops on a transmission, you can
hold the scanner on that transmission.
1. Press
HOLD
.
HOLD
appears and the scanner
stays on the current ID.
2. If you want to listen to a different ID, use the num-
ber keys to enter the ID you want to hold.
3. Press
HOLD
again.
HOLD
and the channel number
flash and the scanner monitors that ID.
4. When you want to stop the hold and resume
searching for a data channel so you can continue
trunk tracking, press
SRC
.
Note: You can also follow these steps to hold on an ID
while scanning a scan list. See “Scan Lists” on
Page 48.
Temporarily Storing an ID into the Monitor
ID Memory
1. When your scanner stops on an ID you want to
store, press
MON/CLEAR
. The scanner stores the
ID into the monitor ID memory.
2. Press
SRC
to resume searching.
Note: To program the ID stored in the monitor ID mem-
ory into the ID scan list, see “Scan Lists” on Page 48.