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Quick Start Guide 1-13
ESG Family Signal Generators Getting Started
Setting Up a Digital Modulation in the GSM Format
Setting Up Timeslot 7
6. Press the FIX4 softkey. This changes the transmitted data to a fixed 4-bit repeating
sequence. The default 4-bit repeating sequence of 0000 is
shown in the active entry area of the display.
7. Enter 1010 using the numeric
keypad and press the Enter
softkey.
This changes the pattern from 0000 to 1010. Directly below the
visual representation of the timeslot, you should see
Data: 1010.
1. Press Return. This moves the softkey menu up one level.
2. Press the Timeslot # softkey.
Then enter 7 using the numeric
keypad and press the Enter
softkey.
This selects timeslot #7 as the active timeslot. (You can also use
the arrow keys to select the timeslots.) The current active timeslot
(#7) is displayed in the active entry area.
3. Press the Timeslot Off On
softkey.
This toggles the Timeslot Off On softkey from Off to On.
Notice that the display now shows that timeslot #7 is turned on.
4. Press the Timeslot Type softkey. Another menu of softkeys is displayed.
5. Press the Normal softkey. This changes the timeslot type to a Normal timeslot and
automatically returns you to the previous softkey menu. Notice
that the Timeslot Type softkey has changed from Custom to
Normal. Also notice that the display shows timeslot #7
configured as a Normal timeslot.
6. Press the Configure Normal
softkey.
Another menu of softkeys is displayed, allowing you to change
the E, S, and TS fields for the Normal timeslot.
7. Press the following softkeys:
E > Other Patterns > 4 1’s & 4 0’s.
This fills the E field with a repeating sequence of four 1’s followed
by four 0’s. Directly below the visual representation of the
timeslot, you should see E: P4.
qsg.book Page 13 Friday, September 22, 2000 3:13 PM