General Instrument C6M-II, Руководство по установке

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Overview 2-13
C6M-II Installation Manual
Video Menu
To access the Video menu, display VID MENU on the Main menu. To reach any item on the
menu, use the up or down arrow key. The following items appear on the Video menu.
Table 2-6
Description of Video menu items
Video Menu Item Appearance Description
Clamp Toggles video clamp ON or OFF. For normal
operation, the clamp must be on.
Video AGC Available when the modulator option board is
installed. Turns video AGC ON or OFF.
DC Offset Adjusts video dc offset. Only available when video
clamp is off and Video AGC is off or NA.
Video B Auto A
→
B ON indicates automatic switching to
VIDEO B / AUDIO B when VIDEO A is missing.
Available only when the modulator option board is
installed.
Audio Menu
To access the Audio menu, display AUD MENU on the Main menu. To reach any item on the
menu, use the up or down arrow key. The following items appear on the Audio menu.
Table 2-7
Description of Audio menu items
Audio Menu Item Appearance Description
Audio Range Toggles between two audio input ranges: HI (+5 to
+25 dBm) and LOW (
−
10 to +10 dBm). When the
stereo encoder is in operation, it is set to LOW,
displays MTS, and this cannot be changed.
Audio Impedance Toggles between two different input impedance.
LOW indicates a 600 ohm balanced. HI indicates
greater than 15 kohms. When the stereo encoder
option is in operation, it is set to HI, displays MTS,
and cannot be changed.