Bedienungsanleitung RadioShack PRO-2053 - 300 Channel (Seite 14 von 56) (Englisch)

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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,

öö

appears under the bank's

number while scanning. When you set a

channel storage bank to closed mode,

ap-

pears under the channel storage bank's

number while scanning.

+,!*

+,!*+,!*

+,!*

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.

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

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RadioShack PRO-2053 - 300 Channel Seite 14

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