3 - electrical settings – Grass Valley TTV 1657D Manuel d'utilisation

Page 162

Advertising
background image

162

Chapter 3 - Viewfinders

4 cm viewfinder

B1657D902C

Septembre 2000

THOMSON TTV 1657D
User manual

• with a TTV 3505 (BVV5), the light flashes when a warning light on the VTR is lit; end

of tape near, end of tape, battery almost discharged, battery discharged, recording
incorrect (RF), capstan servo system unlocked (servo), condensation (humid), tape
tension abnormally low (slack) (see VTR operating instructions).

Legend:

A = Permanently lit

1 = Flashing at 1 Hz

4 = Flashing at 4 Hz

3.1.3 - Electrical settings

"BRIGHT" and "CONT" potentiometer settings:

1) Set the camera to "bar pattern".

2) Set the "CONT" potentiometer to minimum and adjust the "BRIGHT potentiometer

to obtain the lowest level of visibility of the darkest bar of the pattern.

3) Adjust the "CONT" potentiometer so that all the pattern bars can be seen without

saturation of the whitest bar.

TTV 3505

Warning

indicator lights

Indications in viewfinder

Causes

REC

BATT

RF

4

Heads dirty

SERVO

4

Servo system irregularities

HUMID

4

Condensation

SLACK

4

Tape slack

TAPE END

1
4

Tape almost at end
End of tape

BATT

1
4

1

A

Battery almost discharged
Battery discharged

Advertising