General Dynamics R2600 Series Operator'S Manual Download

Page: 187 / 402

Trunk II or Astro signaling is selected. The
operator has the option of disabling the auto
affiliation sequence, or selecting the
SMARTZONE affiliation sequence. If the
radio is not capable of SMARTZONE auto
affiliation, the selection should be set to
DISABLED.

If auto affiliation is disabled, the analyzer
transmits idle data on the control channel until
the radio initiates the test sequence.

9-6.2

Testing the Auto Affiliation Feature

After setting up the test conditions with the radio
turned "off," press the

start test

softkey to

activate control channel signaling. Turn the radio
"on" when the prompt message appears so it can
lock to the control channel and register.

Successful registration will be indicated by
seeing the squelch indicator LED flash briefly
followed by the presence of decoded radio ID
parameters The call type M1 should be displayed
to indicate that an auto affiliation sequence has
been received. At this time, the radio may be
keyed to proceed with the radio initiated calling
sequence.

The radio will remain registered as long as it
remains powered up and there have been no
changes in basic test configuration. Stopping and
re-starting the test requires re-registration as long
as SMARTZONE is selected at the "Auto Aff:"
field on the screen.

NOTE

If changes to the test setup entries are made

after a test has been started, even though
theses changes appear on the screen, they will
not be entered as part of the test until the test
is ended and restarted. Similarly, if invalid
entries are made for frequency or other
parameters, they may be accepted until a final
validity check is done by the system at the time
the

"start test"

softkey is pressed.

9-6.3 RF

ZONE

Band:

Band selects the frequency channel plan for the
analyzer. For Astro trunked radio, the only
selection is 800 MHz (US). The 800 MHz (US)
band configures the analyzer for the frequency
and channel plan described in table 9-1. This
table shows analyzer transmit frequency
ranges.

CCTx:

CCTx is the control channel transmit frequency
of the analyzer. The control channel frequency
can be changed by moving the cursor into the
CCTx cursor field and changing the value with
the keypad or with the tuning knob. When the
control channel frequency is changed, the
corresponding channel number is also updated.
If the frequency selected is out of range of the
frequency channel plan, the corresponding
channel number will be dashed out.

As a convenience, the control channel can also
be entered by moving the cursor to the
associated channel position on the display and
selecting a channel number with the keypad or
tuning knob. When the channel number is
changed, the corresponding frequency value is
changed. If the channel number selected is out
of range of the frequency channel plan, the
corresponding frequency will be dashed out.

Splinter channels can only be entered by
frequency. Standard channels can be entered by
frequency or channel number (channel
numbers only map to standard channel
frequencies).

VCTx:

VCTx sets the voice channel transmit fre-
quency of the analyzer. The voice channel
frequency can be changed by moving the
cursor into the VCTx cursor field and changing
the value with the keypad or with the tuning
knob. When the voice channel frequency is

General Dynamics R2600 Series, Operator'S Manual

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