13-10 SECURENET METER AND DISPLAY
CONTROL
SECURENET meter and Display Zone is
similar to the standard mode. All softkey
selections are available; however, many of the
selections will return a "not available in
SECURENET mode" message. Refer to
paragraph 13-7 under the General Operations
tab of this manual for a functionality
description of meter and display zone selections
that are still available in SECURENET mode.
The Display Zone is slightly modified to
accommodate testing of SECURENET radio
equipment. A BER Meter is added to the
metering functions in the Display Zone.
CLEAR SCOPE and SET UP display functions
also have been added to the Display Zone. The
VOICE FRAME display function is not
applicable to Securenet mode. The message
"Voice Frame Decode Disabled in the Mode:"
appears on screen if the VOICE FRAME
softkey is selected. Added functions are
described in the following paragraphs.
Description of the other displays can be found
in paragraph 13-7.2 under the General
Operations tab of this manual.
13-10.1 SECURENET BER Meter
The BER Meter is available only during BER
Monitor or Duplex Testing. This BER monitor
test verifies the integrity of test signals
generated by SECURENET radios. The BER
Meter provides digital readout of bit error rate,
frequency error and input power level as well
as monitor frequency and deviation. An
example of the BER Meter is shown in figure
13-15.
Test setup for the BER Meter test is the same as
figure 13-3. To activate the BER Meter test, set
controls in the RF Zone as follows:
RF Control: Monitor (or Duplex)
Frequency: Same as radio transmit
frequency
Attenuation: 0 dB
Mon RF In: RF I/O
The BER Meter is accessed by placing the
cursor in the Display Zone's "Meter:" field and
pressing the
more softkey until the BER softkey
is presented. Select the BER softkey to access
the BER Meter (figure 13-15).
Figure 13-15. SECURENET BER Meter
184
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