Sima VS-712 EX User Manual download pdf (Page 23)

Page 23

Trouble Shooting

Problem Solution

Power/Stand-by light does not

come on

Make sure power adapter is plugged into a working outlet.

Stand-by light is dim (normal in stand-by mode)

No video output Is standby light off?

Is input light lit?

Make sure correct input is selected.

Make sure inputs and outputs are not reversed.

No audio output Is standby light off?

Is input light lit?

Make sure correct input is selected.

Make sure inputs and outputs are not reversed.

No input is selected Push STANDBY button so unit is in the ON mode.

Picture is black and white Your TV is using both composite and S-Video inputs. Use

only one or the other to feed into the VS-712EX or into your

TV.

AUTO SELECT does not

detect device when turned on

Is the video cable connected from the device to the VS-

712EX?

Is the device producing a video picture. Some products do

not generate a video signal (just a blue screen) unless the

tape/DVD/etc. is actually playing.

Is AUTO SELECT turned on?

Unit goes to standby after 5

seconds

Normal if there are no video inputs.

Either turn video input on or turn AUTO SELECT off.

Volume seems to vary too

much between sources

Make sure Volume Stabilization is active.

Set Volume Stabilization to the 10:1 setting.

No front panel buttons work Verify power supplied is plugged into a working outlet

Check that rear DIP switch is set for Front Panel Active

IR remote does not work Replace batteries in remote.

Check that rear DIP switch is set for IR Active

A record channel can not be

selected (LED blinks)

Check that rear DIP switch is set for Record Loop Protection

Terms

Term Definition

Component Video High quality video using 3 cables (Y, Pb, Pr) used with DVDs,

DTV and HDTV

Composite Video Standard video signal using RCA style jacks

Compression Reduce the dynamic range of an audio signal by decreasing loud

signals and increasing soft signals.

Db Short for decibels - Measure of relative sound levels . The

smaller change a human ear can hear is about 1 db.

Dbv Measure of absolute voltages. 0 dBV is equal to .775 v rms.

Most consumer equipment operates at about -10 dBV.

Expansion Increase the dynamic range of an audio signal by increasing loud

signals and decreasing soft signals

S-Video Video signal that separates the color signal from the brightness

signal and uses mini DIN connectors.

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Sima VS-712 EX User Manual Page 23

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