Technical data

Installation & Operation Manual GM-TTT
Page 39
3.4 LTC
OUT
Select the LTC output level.
POLARITY
Select the use of the polarity bit.
LTC
1 (data)
Display the six time code flag bits of the LTC generator.
3.4.1 OUT: LTC Output Level
Press the enter button to display or select the LTC output amplitude. Use the ↑ or ↓ button to
change, press the enter button to confirm your choice and to quit the menu.
Digit 8
Digit 7 Digit 6
Digit 5 Digit 4 Digit 3 Digit 2
Digit 1
35 ... 2983 Display shows the peak-to-peak value in [mV], measured at the balanced
signal (between pins 1-2 or 1-3) driving a resistive load of 1 kΩ. The selectable
range is 35 mV to 2983 mV.
3.4.2 POLARITY: Select the Use of the Polarity Bit
Press the enter button to display or change the mode of using the polarity correction bit of the
LTC output. Use the
↑ or ↓ button to change, press the enter button to confirm your choice
and to quit the menu.
Digit 8
Digit 7 Digit 6 Digit 5
Digit 4
Digit 3
Digit 2
Digit 1
POLA off The polarity correction bit is not used and will be set to zero.
POLA on The polarity of the synchronisation word of the LTC output will be stabilised.
The polarity correction bit is put in a state, so that every 80-bit word contains an
even number of logical zeros. The polarity correction bit is bit no. 27 in the
525/60 system, no. 59 in the 625/50 system.