Making Measurements
2–42
RFM 150 Instruction Manual
Sweep Mode
To access the sweep display, shown in Figure 2–20, press the
front-panel SWEEP key. The instrument mode (SWEEP) is shown in
the upper right corner of the screen.
Outline shows that the knob is
assigned to control center level.
Outline
shows that
marker 1
is active.
Marker 1
frequency
Level
reading
Marker 2
frequency
Level
reading
LVL
MKR1
CENTER LVL: +0 DB
SWEEP
KNOB
2 dB/div
REFERENCE: HEADEND
LVL/REF
MENU
∆
MKR: +0.0 dB
∆
P/V +0.0 dB
y
Active sweep reference
Vertical
resolution
Difference between level at marker 1
and level at marker 2.
Arrow indicating direction of off-screen trace
M2: 409.25 MHz
+88.3 dBuV
M1: 139.25 MHz
+95.3 dBuV
Figure 2–20: The sweep display
Table 2–11 defines the key actions that are effective for this mode.
Table 2–11: Functions of active keys in sweep display mode
Key
Action
Menu keys
Enters selected menu. (Aborts a partial keypad entry.)
Function keys
Assign knob to level, marker 1 or marker 2. Can enter the level/reference
submenu. Override partial keypad entry.
Knob
Tunes the active marker or changes the center level. Overrides partial
keypad entry.
Numeric keypad Keying either channel or frequency, followed by CHAN, MHz, or ENTER,
tunes the instrument – if the chan. or freq. is in the active channel table.
Making Measurements
2–42
RFM 150 Instruction Manual
Sweep Mode
To access the sweep display, shown in Figure 2–20, press the
front-panel SWEEP key. The instrument mode (SWEEP) is shown in
the upper right corner of the screen.
Outline shows that the knob is
assigned to control center level.
Outline
shows that
marker 1
is active.
Marker 1
frequency
Level
reading
Marker 2
frequency
Level
reading
LVL
MKR1
CENTER LVL: +0 DB
SWEEP
KNOB
2 dB/div
REFERENCE: HEADEND
LVL/REF
MENU
∆
MKR: +0.0 dB
∆
P/V +0.0 dB
y
Active sweep reference
Vertical
resolution
Difference between level at marker 1
and level at marker 2.
Arrow indicating direction of off-screen trace
M2: 409.25 MHz
+88.3 dBuV
M1: 139.25 MHz
+95.3 dBuV
Figure 2–20: The sweep display
Table 2–11 defines the key actions that are effective for this mode.
Table 2–11: Functions of active keys in sweep display mode
Key
Action
Menu keys
Enters selected menu. (Aborts a partial keypad entry.)
Function keys
Assign knob to level, marker 1 or marker 2. Can enter the level/reference
submenu. Override partial keypad entry.
Knob
Tunes the active marker or changes the center level. Overrides partial
keypad entry.
Numeric keypad Keying either channel or frequency, followed by CHAN, MHz, or ENTER,
tunes the instrument – if the chan. or freq. is in the active channel table.
Содержание RFM150
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Страница 14: ...Table of Contents x RFM150 Instruction Manual Table of Contents x RFM150 Instruction Manual...
Страница 21: ...Getting Started Getting Started...
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Страница 45: ...Operating Basics Operating Basics...
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Страница 60: ...Functional Overview 2 14 RFM150 Instruction Manual Functional Overview 2 14 RFM150 Instruction Manual...
Страница 92: ...Making Measurements 2 46 RFM150 Instruction Manual Making Measurements 2 46 RFM150 Instruction Manual...
Страница 93: ...Reference Reference...
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Страница 123: ...Specifications Specifications...
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Страница 134: ...Specifications 4 10 RFM150 Instruction Manual Specifications 4 10 RFM150 Instruction Manual...
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Страница 137: ...Performance Check Performance Check...
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Страница 151: ...Maintenance Maintenance...
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Страница 170: ...Replacement Procedures 6 18 RFM150 Instruction Manual Replacement Procedures 6 18 RFM150 Instruction Manual...
Страница 172: ...Recharging the Battery 6 20 RFM150 Instruction Manual Recharging the Battery 6 20 RFM150 Instruction Manual...
Страница 177: ...Replaceable Electrical Parts Replaceable Electrical Parts...
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Страница 184: ...Replaceable Electrical Parts 7 6 RFM 150 Instruction Manual Replaceable Electrical Parts 7 6 RFM 150 Instruction Manual...
Страница 185: ...Replaceable Mechanical Parts Replaceable Mechanical Parts...
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Страница 197: ...Appendices Appendices...
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Страница 200: ...Appendix A Channel Tables RFM150 Instruction Manual A 2 Appendix A Channel Tables RFM150 Instruction Manual A 2...
Страница 210: ...Appendix A Channel Tables RFM150 Instruction Manual A 12 Appendix A Channel Tables RFM150 Instruction Manual A 12...
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Страница 228: ...Appendix A Channel Tables RFM150 Instruction Manual A 30 Appendix A Channel Tables RFM150 Instruction Manual A 30...
Страница 238: ...Appendix A Channel Tables RFM150 Instruction Manual A 40 Appendix A Channel Tables RFM150 Instruction Manual A 40...
Страница 242: ...Appendix A Channel Tables RFM150 Instruction Manual A 44 Appendix A Channel Tables RFM150 Instruction Manual A 44...
Страница 269: ...Index Index...
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