DRAKE VM2860 Gebrauchsanweisung - Seite 5

Blättern Sie online oder laden Sie pdf Gebrauchsanweisung für Modulator DRAKE VM2860 herunter. DRAKE VM2860 12 Seiten. Commercial video modulator
Auch für DRAKE VM2860: Gebrauchsanweisung (12 seiten)

Seite drucken

Front and Rear Panel Controls and Indicators

Operating Controls

All operating controls and indicators for the modulator are located on, or are accesible from the front panel.

[11]

[12]

Figure 1 - Front Panel

[1] [6] [5] [4] [3] [2]

[7]

[8]

[9]

[1] EAS/ALT INDICATOR: Lights Red when EAS/ALT is active.

[2] VIDEO OVERMODULATION LED: Lights when modulation is above 87.5%

[3] VIDEO MODULATION LEVEL: Adjusts percentage of modulation.

[4] AURAL-TO-VISUAL CARRIER RATIO: Controls amplitude of aural RF carrier relative to visual RF carrier.

[5] AUDIO MODULATION LEVEL: Adjusts aural carrier modulation.

[6] AUDIO OVERMODULATION LED: Lights when peak deviation of aural carrier is over 25 kHz.

[7] DISPLAY MODE BUTTON: Used to scroll through channel configuration, output level and modes.

[8] CHANNEL, CHANNEL CONFIGURATION/OUTPUT LEVEL DISPLAY

[9] UP/DOWN BUTTONS: Used to scroll through the channel, channel configuration and output level modes.

[10] ENTER BUTTON: Evokes the current settings in the channel/output display when depressed.

[11] STEREO INDICATOR: Not Used

Note: All connections to the unit are made at the rear panel.

[1]

[2]

[3]

[4]

[6]

[7]

Figure 2 - Rear Panel

[8]

[5]

[1] RF OUTPUT: +60dBmV

[2] IF INPUT: +35 dBmV IF Input

[3] EAS/ALT IF INPUT: Emergency Alert or Alternate IF Input

[4] IF OUT: +35 dBmV IF Outpout (See note #8 below)

[5] EAS/ALT IF TERMINAL: EAS/ALT IF mode selection (see page 7)

[6] AUDIO INPUT: Audio input (standard)

[7] VIDEO INPUT: 1 Volt PP video input

[8] IF LOOP CABLE: The IF loop cable (supplied) must be installed to provide RF continuity. The modulator will not have

an RF output without the IF loop installed.