Tektronix RFM150, Instruction Manual

Page: 62 / 278

Making Measurements
2–16 RFM 150 Instruction Manual
1 Channel Mode
To enter the 1 channel mode, press the front-panel LEVEL key. The
function keys will be assigned to the five signal level measurement
modes, but the measurement portion of the screen will not be
affected. Select 1 CHAN; the 1 channel measurement display will
appear (Figure 2–7). The instrument mode (1 CHAN) is displayed in
the upper right corner of the screen, and the function key labels
indicate the five presets. Table 2–1 defines the key actions.
Table 2–1: Functions of active keys in 1 channel mode
Key Action
Menu keys Enters selected menu. (Aborts a partial keypad entry.)
Function keys Tune instrument to preset frequencies. Override partial keypad entry.
Knob Tunes instrument according to entry mode. Overrides partial keypad
entry.
Numeric keypad Keying in either channel or frequency, followed by CHAN, MHz, or
ENTER, tunes the instrument if the keyed channel or frequency
corresponds to a channel in the active channel table.
CHAN Terminates keypad entry as channel. Switches to channel entry mode.
MHz Terminates keypad entry as frequency. Switches to frequency entry
mode.
ENTER Terminates a keypad entry in the active entry mode (channel or
frequency, as outlined in the top line of the display).
Pressing backspace during a keypad entry erases the character
preceding the cursor. Backspacing 1 click after field is empty aborts
partial entry.
HELP Displays context-sensitive help screen; aborts a partial keypad entry.
ESC Aborts a partial keypad entry without changing the instrument setup.
Escape has no function when the preset keys are displayed.
Tuning.
The signal being measured is determined by instrument
tuning. Use the knob, numeric keypad, or presets to tune by channel
or frequency. (Refer to Tuning on page 2–10.) The tuned channel
number and frequency appear on the top line of the display.
Making Measurements
2–16 RFM 150 Instruction Manual
1 Channel Mode
To enter the 1 channel mode, press the front-panel LEVEL key. The
function keys will be assigned to the five signal level measurement
modes, but the measurement portion of the screen will not be
affected. Select 1 CHAN; the 1 channel measurement display will
appear (Figure 2–7). The instrument mode (1 CHAN) is displayed in
the upper right corner of the screen, and the function key labels
indicate the five presets. Table 2–1 defines the key actions.
Table 2–1: Functions of active keys in 1 channel mode
Key Action
Menu keys Enters selected menu. (Aborts a partial keypad entry.)
Function keys Tune instrument to preset frequencies. Override partial keypad entry.
Knob Tunes instrument according to entry mode. Overrides partial keypad
entry.
Numeric keypad Keying in either channel or frequency, followed by CHAN, MHz, or
ENTER, tunes the instrument if the keyed channel or frequency
corresponds to a channel in the active channel table.
CHAN Terminates keypad entry as channel. Switches to channel entry mode.
MHz Terminates keypad entry as frequency. Switches to frequency entry
mode.
ENTER Terminates a keypad entry in the active entry mode (channel or
frequency, as outlined in the top line of the display).
Pressing backspace during a keypad entry erases the character
preceding the cursor. Backspacing 1 click after field is empty aborts
partial entry.
HELP Displays context-sensitive help screen; aborts a partial keypad entry.
ESC Aborts a partial keypad entry without changing the instrument setup.
Escape has no function when the preset keys are displayed.
Tuning.
The signal being measured is determined by instrument
tuning. Use the knob, numeric keypad, or presets to tune by channel
or frequency. (Refer to Tuning on page 2–10.) The tuned channel
number and frequency appear on the top line of the display.