3: Operation
3-24
TW7201I-MS
Note:
You can only select one call system at a time; You cannot turn the
TCSC option on until the TA option is off.
Before initiating TCSC operations, assign the TW7000 a call code (001 to
225). This is the call code that other stations use to contact this transceiver.
1.
Press
ALPHA 13
.
2.
Press
E
.
Display:
TA/TC/SC
Rx ADDR xxx
3.
Enter the receive call code and press
E
. The number must be from 001 to
255 and not assigned to another transceiver.
Display:
xxx
(briefly shows the new receive code)
3.8.2
Selcall
To start a Selcall, set the TW7000 to a fixed channel (not scanning).
1.
Press
OPTION
until the
TCSC
icon flashes.
2.
Press
STATUS
to turn the option
ON
.
3.
Press
C
, then enter the channel from which to call.
4.
Select the appropriate channel on the transceiver.
5.
Press
CALL
to initiate the call.
6.
Display:
Tx ADDR xxx
7.
Enter the Selcall code of the transceiver to call (001 to 255). A call to all
channels (Allcall) is code 000.
8.
Press
CALL
again. The TW7000 begins the call sequence. If the call is
successful, a link alarm sounds.
Display:
SC LINK
If the call is unsuccessful, calling discontinues and
NO LINK
is briefly
displayed.
3.8.3
Transcall
To start a Transcall, place the TW7000 in scan mode:
1.
Press
OPTION
until the
TCSC
icon flashes.
2.
Press
STATUS
to turn the option
ON
.
3.
Press
SCAN
.
4.
Press
CALL
to initiate the call.
5.
Enter the Transcall code of the transceiver to call (001 to 255). A call to
all channels (Allcall) is code 000.
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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