Front Panel; Controls, Indicators, And Connectors - Motorola R-2001D Operator's Manual

TABLE 2-1. CONTROLS, INDICATORS, AND CONNECTORS
ITEM DESCRIPTION
FRONT PANEL (figure 2-1)
FUNCTION
Power
Batt indicator
AC indicator
Oven Ready indicator
KEYPAD
~
~
o
through 9
CRT
• Intensity
o
Focus
Dispr/Sweep Control
RF Scan Control
Three-position toggle
switch
LED (red)
LED (red)
LED (red)
Twelve-key pushbutton
keypad
Line cursor key
Horizontal cursor key
Numerical keys
Cathode Ray Tube
Stacked concentric
potentiometers:
Small center knob
Large outside knob
Potentiometer
Analog Synthesizer Tuning
(AST)
On position energizes all circuitry.
Standby position removes DC from all circuitry except the
frequency standard and battery charger.
At off, the battery charges if equipment is connected to an
AC power source.
Illuminates when equipment uses DC power.
Illuminates when equipment is connected to an AC power
source. Position of POWER switch has no effect on in-
dicator. Equipment automatically switches to AC power
source when connected to AC line voltage.
Illuminates when optional frequency standard oven has
stabilized. Continuously illuminated with the TCXO fre-
quency standard.
Enters variables into microprocessor memory and onto
CRT screen, selects variables from the memory for display,
changes previous entries.
Moves the cursor down only to the next available line on the
screen, skips preset permanent entries, from the last line it
returns to the top line.
Moves the horizontal cursor left to the next available posi-
tion that may be changed. From the last left position, the
cursor moves to the far right with the next entry.
Enter a value directly or select a value stored in the
memory.
8 cm x 10 cm screen displays all functions, generated or
monitored, in both analog and digital form. Also displays
all control settings and numerical values, entered or preset.
Controls display intensity.
Controls display focus.
Controls the frequency span (1-10 MHz) during Spectrum
Analyzer DlSPLAY. Provides sweep width control during
SWP FUNCTION (0.01-1 MHz or 1-10 MHz).
Manually scan any displayed frequency by rotating this
control clockwise or counterclockwise at the rate of 32 fre-
quency steps per revolution. Position of display cursor de-
termines step size.
2-2
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