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3-3-13
METER SCREENS
The CO M- 120C pr ovides meter s that oper ate independently.
Pr essing MTRS Instr uments Key accesses a Meter s Menu for accessing independent
Meter s. To access a meter , cur sor to desir ed selection and pr ess ENTER Key or pr ess
cor r esponding Soft Function Key.
1. Audio Fr equency Counter
The Audio Fr equency ( AF) Counter
counts the audio signal supplied at the
indicated sour ce.
2. SINAD Meter
The SINAD Meter deter mines SINAD for
a 1 kHz tone passed to the
CO M- 120C thr ough the specified
Sour ce.
3. Digital Voltmeter
The Digital Voltmeter ( DVM) measur es
voltage at the indicated Sour ce. The
units ar e dependent on the Sour ce.
4. Distor tion Meter
The Distor tion Meter deter mines Distor tion for a 1 kHz tone passed to the
COM-120C thr ough the specified Sour ce.
AF CNT
SINAD
Meter s Menu Scr een
3-25
SECTION 3
COMPOSITE
1. AF Counter
2. SINAD Meter
3. DVM
4. Distortion Meter
DVM
DIST
8717017
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