3: Operation
3-6
TW7201I-MS
Note:
The LCD only displays these modes if a mode option is installed
(7000WB1 or 7000CW). The mode buttons are disabled if the Lockout or
Frequency Blank functions are turned on. For information on these functions,
refer to Section 3.4 “Using Menus to Change Settings” on page 3-7.
3.2.5
Internal Options
The
OPTION
and
STATUS
buttons change the status of the following installed
options.
When an option is installed in the TW7000, a corresponding icon is displayed
on the outer edge of the LCD. The LCD displays the icon and the option’s
current status (
ON
or
OFF
).
To change the status of an installed option:
1.
Press
OPTION
or
STATUS
. The icon of the last entered option flashes.
2.
If you want a different option, press
OPTION
until the desired icon
flashes.
3.
Press
STATUS
to toggle between
ON
and
OFF
.
Note:
If you press a button other than
OPTION
and
STATUS
, the icon
stops flashing and the radio performs the function of that button. The icon
also stops flashing after a time-out of 10 seconds.
USB/LSB
DATA
FSK AGC time constants, optional USB/LSB wideband
data filter, 300-3300 Hz bandwidth.
USB/LSB
AME
Same as USB/LSB mode with addition of carrier in
transmit mode at a level of -6 dB relative to PEP.
USB PCS
Same as USB mode with addition of carrier in transmit
mode at a level of -16 dB relative to PEP.
USB/LSB
CW
Optional narrowband filter with 500 Hz bandwidth.
Mode
Description
Option
Displayed Icon
FED-1045 ALE
ALE
Transcall/Selcall
TC/SC
TransAdapt
TA
Noise Blanker
NB
Voice Enhancement
OPT
Encryption
ENCR
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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