Setting Zoom Position; Measurement Procedure - JDS Uniphase JD7105B Manual

FREQ/DIST
 START CHANNEL: Changes the starting channel in the channel scanner. The first channel in the
full view graph changes accordingly. Values can be entered with the numeric keys and the input is
completed by selecting one of the direction soft keys including the Forward and Reverse.
 CHAN STEP SIZE: Sets the channel increment step size. Channels listed in the channel table on
the screen increase in this step selected. Values can be entered with the numeric keys and the
input is completed by pressing the Enter soft key or ENTER hard key.

# OF CHANNELS: Sets the number of channels to be scanned and displayed in the full view
graph. Values from 8 to 64 can be entered with the numeric keys and the input is completed by
pressing the Enter soft key or ENTER hard key.
 CHANNEL STANDARD: When the channel standard is selected from the list, the start frequency
information on the display screen will be mapped accordingly to the selected channel standard.
The channel standards available in the instrument are listed in the table in the Appendix C – Band,
Frequency & Channel Standard.

Setting Zoom Position

Step
1. Set the zoom position
TRACE/DISPLAY
[Zoom Position]
Enter a value
[Enter] or ENTER
TRACE/DISPLAY
 ZOOM POSITION: Sets the starting channel of the Zoom In Window graph.

Measurement Procedure

Step
1. Select the measurement mode
MODE
[Signal Analyzer]
[GSM]
Description
Press the TRACE/DISPLAY hard key.
Press the Zoom Position soft key.
Use the numeric keys to input channel to start.
Press the Enter soft key or the ENTER hard key.
Description
Press the MODE hard key.
Press the Signal Analyzer soft key.
Press the GSM soft key.
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GSM/GPRS/EDGE SIGNAL ANALYZER
JD7105B Base Station Analyzer