General Operation
TVM Series Installation and Operation Handbook 25
Copyright © 2008, Harris Corporation
Table 3-1. Description of Front Panel Controls Illumination
Heading (Group) Description
GAIN
• STEP: When the button is high tally, X2.5, X5, or X15 is active. When the
button is low tally, X1 gain is active.
• VAR: The button is high tally when in variable mode. The button is low
tally when not in variable mode.
• ZOOM: The button is high tally in any zoom mode (indicated with zoom
at the top of the pane). The button is low tally when not in zoom mode.
SWEEP
• H: The button is high tally when the waveform pane is active and in
horizontal sweep mode; otherwise, the button is low tally.
• V: The button is high tally when the waveform pane is active and in
vertical sweep mode; otherwise, the button is low tally.
• MAG: The button is high tally when the MAG function is enabled in the
selected waveform pane; otherwise, the button is low tally.
DISPLAY
• FULL: The button is high tally when a full-screen is displayed.
• MLT: The button is high tally when multi-screen mode is selected.
• Pane Select buttons: The button is high tally to indicate which pane is
selected.
FUNCTIONS A function button is high tally to indicate the active function for the selected
pane.
SETUP
• SETUP: The Setup button is high tally whenever a Setup or pane menu
is displayed.
• EXIT: The button is high tally when in a setup menu.
NAVIGATION All buttons are high tally when in a setup menu.
SETUP KNOBS
• RIGHT/LEFT Arrows: the arrows are high tally whenever the Pane or
Setup menu is enabled.
• UP/DOWN Arrows: the arrows are high tally whenever the Pane or
Setup menu is enabled.
CURVED ARROW
KNOB
The curved arrow symbol is high tally whenever the knob has a directed
function for Cursor, Line Select, Variable Gain, Vector Phase, Audio Output
Level, and Setup or Pane menu control. The last control selected using the
curved arrow knob is the active control for that pane.
MODE
• LINE: the button is high tally when Line Select mode is enabled.
• PHASE: the button is high tally when phase control mode is enabled.
• CURS: the button is high tally when cursor mode is enabled.
PRESETS
• 1 – 8: the selected preset is high tally when stored or recalled except for
preset *8, which is the factory default. A preset must contain settings in
order to be selected for recall.
• *: the button is high tally when the second bank of presets is active
(presets 9 through 16). The button is low tally for the first bank of presets
when active (presets 1 through 8). *8 is the factory default preset.
Sleep Mode
Press and hold the ENT and DOWN NAVIGATION button to enter and exit Sleep
mode. When entering Sleep mode, the instrument will turn off all LEDs and the
display. The instrument is still active (that is, alarms still triggered, etc.). When exiting
Sleep mode, the instrument returns to an illuminated state.
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