3: Operation
3-4
TW7201I-MS
3.
Press
E
to enter the channel selection.
To select a frequency:
1.
Press the
F
button.
2.
Enter the frequency.
3.
Press
E
to enter the frequency into memory.
3.2.4
Function
Buttons
The TW7201I front panel includes preprogrammed function buttons such as
CALL
,
SEND
,
TUNE and ALPHA
. The LCD displays the icons at the left and
bottom section of the LCD.
Alpha
The
ALPHA
button provides access to the Alpha menu. The Alpha button is in
the group of five buttons immediately to the right of the LCD. The
ALPHA
button is the fourth from the top.
1.
Press the
ALPHA
button to access the Alpha Menu.
2.
To exit the menu, press
ALPHA
again.
Call
The
CALL
button initiates a call sequence in the ALE option or in the
Transcall, Selcall, TransAdapt option. If these options are not installed or if
they are turned off, this button is disabled.
For information on placing ALE calls, refer to Section 3.7 “Placing an ALE
Call” on page 3-22. For information on placing Transcall, Selcall or
TransAdapt calls, refer to Section 3.8 “Placing a TransAdapt, Transcall or
Selcall” on page 3-23.
External RF
Amplifier
The
EXT AMP
button transfers PTT control to an external amplifier connected
to the TW7000
ACC 3
accessory connector.
1.
To automatically set and lock RF power in the
H
(high power) position,
set it to
ON
.
2.
To restore control, set it to
OFF
and the TW7000 no longer requires an
external amplifier.
Priority Channel
The
PRI
button sets the TW7000 to a channel defined as the priority channel.
The priority channel is preset to channel 001. To change the number of the
priority channel, refer to Section 3.4 “Using Menus to Change Settings” on
page 3-7.
RF Power Level
The
RF PWR
button allows scrolling through the
L
(low),
M
(medium), and
H
(high) power settings. Default settings for the three RF power levels are listed
in the following table.
RF Power Level
Factory Preset
ALPHA 5 Setting
L (low)
10W (average power)
10
M (medium)
25W (average power)
30
Содержание TW7201I
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Страница 86: ...TW7201I MS Figure 5 4 DHSL Modem Board Schematic Diagram 994184 Rev E 5 25 ...
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