3: Operation
TW7201I-MS
3-21
Because the TW7000 scans channels, not frequencies, you must assign a
channel number to all desired frequencies in a scan group. Channel numbers
are not exclusive to a particular scan group; the same channel can be used in
different scan groups.
3.6.1
Creating or
Selecting a Scan
Group
1.
Do one of the following:
• If ALE is
ON
, press the
SCAN GROUP
button or select
(2) SCAN GRP
from the ALE submenu.
• If ALE is
OFF
, press the
SCAN GROUP
button or
ALPHA 15
.
Display:
SCAN
GRP xxx
2.
Use the arrow buttons to scroll to a scan group number for identifying the
group, or use the keypad to enter a scan group number.
3.
Press
E
. The display briefly indicates the new scan group number.
Display:
SCAN GRP xxx
(where xxx is the new scan group)
This becomes the specified scan group when using menu functions.
3.6.2
Customizing a
Scan Group
Customizing a scan group includes reviewing the contents of an existing scan
group, adding and deleting channels from a scan group, and selecting the
channels in that group to scan.
1.
Press
ALPHA 2
.
2.
Press
E
.
Display:
SCAN SET CHANNEL x NNN
(where x is the channel status and NNN is the
3-digit channel number)
Review channels in a scan group by pressing the arrow buttons to scroll
through them. Channels are displayed in numerical order. Change scan group
channels by deleting existing channels and adding new ones.
To delete existing channels from the group:
1.
Use the arrow buttons to locate the channel to delete.
2.
Using the alpha characters on the keypad, press
D
(delete).
3.
Press
E
.
To add new channels to the group:
1.
Use the up arrow to scroll past the highest numbered channel until
xxx
is
displayed.
2.
Enter the number of the channel to add, then press
E
.
Summary of Contents for TW7201I
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Page 86: ...TW7201I MS Figure 5 4 DHSL Modem Board Schematic Diagram 994184 Rev E 5 25 ...
Page 99: ...TW7201I MS Figure 5 6 Power Supply Interface Schematic Diagram 994222 Rev D 5 39 ...
Page 104: ...TW7201I MS TW7201I MS Figure 5 8 Switching Board Schematic Diagram 994149 Rev A 5 45 ...
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