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E2730A VXI RF TUNER
SECTION 3
3.1 INTRODUCTION
3.2 INDICATORS
3.2.1 RUN INDICATOR, GREEN LED
3.2.2 ERR INDICATOR, RED LED
OPERATION
The E2730A VXI RF Tuner is controlled using either word serial
commands or binary commands via the VXI Interface. In addition, the
RS-232 port (AUX, located on the front panel) also accepts the same
mnemonics that are used with the word serial VXI commands. The
following paragraphs provide the details required for the system integrator
to access, control, and monitor the tuner's operation.
discussions assume that the system integrator is familiar with the rules and
guidelines contained in the VXIbus Specification and RS-232 interface
specifications. A copy of the VXIbus Specification can be requested by
writing to:
VXIbus Consortium, Inc.
P.O. Box 1736
Vancouver, WA 98668 U.S.A.
All tuner indicators are located on the front panel.
provided for monitoring the operating status of the unit. The following
paragraphs further explain the function of each LED. The E2730A has no
front panel controls.
This green LED illuminates approximately one second after power is
applied to the tuner, indicating that the tuner's microcontroller is active
and running properly.
This red LED illuminates when internal diagnostic circuitry detects any of
the following tuner errors:
•
Any Unlocked LO
•
EEPROM Defaulted (illuminate for three seconds only)
Note that the ERR indicator does not indicate the receipt of invalid remote
messages.
OPERATION
The following
Two LEDs are
3-1
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