1a-23
Operation Examples
Signaling a Numeric-Type FLEX Pager (Option 1EP Only)
Signaling a Numeric-Type FLEX Pager (Option 1EP Only)
In this example you will set up the pager encoder to send a signal appropriate to test a
numeric-type FLEX pager.
NOTE This pager encoding example can only be performed if Option 1EP is present.
The front panel of the Option 1EP instrument is different from the standard
instrument’s front panel. The green and blue labels are incorporated for the
pager encoding mode only. Therefore, these keys have multiple functions on
instruments with Option 1EP.
Figure 1a-1. The 8648A Option 1EP Signal Generator
Setting Up Pager Encoding
The following steps are required to set up pager encoding on the signal generator. Details
of setting each parameter are provided following this overview.
1. Before entering the signal generator pager encoder mode, set the correct carrier
frequency and FM deviation for the pager-under-test. (The FM deviation is 4.8 kHz for
FLEX and is 4.5 kHz for POCSAG.)
2. Press RF ON/OFF to turn on the RF output. (RF OFF is displayed below the amplitude
setting when the RF output is turned off.)
3. Enter the pager encoder mode by pressing FM (ENCODER). If FM wasn’t the last
active function, press FM (ENCODER) twice.
4. Set up the pager encoder parameters to meet the test requirements of your specific
pager.
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