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14
Operation
scanner then goes to the transmission and
displays the talk group ID on the bottom line
of the display. In the closed mode, the scan-
ner only goes to transmissions with IDs that
match talk group IDs you stored in the bank's
talk group ID list which are not locked out.
Because EDACS scanning requires clear re-
ception of the control channel at all times,
EDACS systems tend to have a smaller us-
able area. An external antenna can greatly
improve EDACS scanning in a fringe area. If
you are having trouble scanning an EDACS
system, try manually selecting the data chan-
nel. If you are getting good reception, the
scanner will indicate talk group
á0(Vòñ
á0(Vòñá0(Vòñ
á0(Vòñ
. Try
changing your location or using an outdoor
antenna to improve reception.
Open and Closed Modes
You can set your scanner to change the way
it receives signals. These settings, called
open mode and closed mode, affect how the
scanner receives signals from communica-
tions systems that use some type of closed
squelch (such as Motorola and EDACS sys-
tems).
You can set each of the scanner's channel
storage banks to open or closed mode.
In open mode, the scanner scans signals
transmitted in all systems. In closed mode,
the scanner scans signals transmitted only
under the following conditions:
• When the signals are in the FM mode.
• When the signals are in the MOT, or ED
mode and the signal's ID code matches
the programmed ID code.
You can also select the user or talk groups
you want the scanner to receive in closed
mode.
When you set a channel storage bank to
open mode,
ö
öö
ö
appears under the bank's
number while scanning. When you set a
channel storage bank to closed mode,
V
VV
V
ap-
pears under the channel storage bank's
number while scanning.
+,!*
+,!*+,!*
+,!*
or
á(+/!
á(+/! á(+/!
á(+/!
ap-
pears while the scanner is in manual mode
or while the scanner is receiving a signal dur-
ing scanning. See “Changing the Open/
Closed Mode” on Page 38 for more informa-
tion about setting the open and closed
modes.
ˆ
Operation
TURNING ON THE SCANNER
AND SETTING SQUELCH
1. Turn
SQUELCH
fully counterclockwise
until the indicator points to
MIN
before
you turn on the scanner.
2. To turn on the scanner, turn
VOLUME
clockwise.
3<C:FD<ý 0Fý L8Cý 0ILEB@E>
3<C:FD<ý 0Fý L8Cý 0ILEB@E>3<C:FD<ý 0Fý L8Cý 0ILEB@E>
3<C:FD<ý 0Fý L8Cý 0ILEB@E>
appears. After about 3 seconds, you
hear a hissing sound.
3. Turn
SQUELCH
clockwise until the hiss-
ing sound stops.
4. To turn off the scanner, turn
VOLUME
counterclockwise to
OFF
.
Notes:
• The scanner does not scan if there are
no frequencies stored in channels. If the
scanner does not scan and you have
already stored frequencies in channels,
turn
SQUELCH
further clockwise.
• If the scanner picks up unwanted, par-
tial, or very weak transmissions, turn
SQUELCH
clockwise to decrease the