3 - electrical settings – Grass Valley TTV 1657D Manuel d'utilisation
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162
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