Instruction manual

2-4
Level: -60 to 0 dBFS, in 1 dBFS steps (sets to each channel）
Audio Click: 1 sec/2 sec/3 sec/4 sec/OFF, selectable (sets to each
channel)
*1 Up to 1920 dots x 1080 lines can be displayed when the Option (LT 4400-70) is
installed.
*2 The data loaded from CF card to the LT 4400 cannot be held when the power is turned
OFF.
*3 When the CHECK FIELD pattern is selected, no audio signal is embedded.
*4 When the input format is SD and makes it 24 bits, the number of the output channels
becomes up to 12 channels (3group).
2.3.2 Genlock Function
Reference Input Signal
Input Configuration: BNC (75Ω, loop through)
Signal Standards
NTSC black burst signal: SMPTE RP154, SMPTE 170M, SMPTE 318M
PAL black burst signal: EBU N14, ITU-R BT.470-6
HDTV tri-level sync: SMPTE 274M, SMPTE 296M
Sync Level
NTSC black burst signal: -286mV
PAL black burst signal: -300mV
HDTV tri-level sync: ±300mV
Maximum Allowable Input
Voltage: ± 4.5V (DC + peak AC)
Operating Input Level Range: ±6 dB
External Lock Range: ± 10 ppm
Jitter
Burst Lock Mode: ≤ 0.5°
Sync Lock Mode: ≤ 1ns
Operation Modes
INTERNAL: Internal reference signal is used for operation. (INT
mode)
AUTO (GO INTERNAL): The EXT is automatically selected when the external
reference signal is applied to the GENLOCK input. The
INT mode is automatically selected when the external
reference signal is removed.
MANUAL (GO INT): The EXT mode is automatically selected when the
external reference signal with the same format specified
to the GENLOCK input is applied after power is turned on.
The INT mode is automatically selected when no external
reference signal is applied to the GENLOCK input or
signal format does not match the specified format.
AUTO (STAYinSYNC): The EXT mode is automatically selected when the
external reference signal is applied to the GENLOCK
input after power is turned on. If the external reference
signal is accidentally removed during operation, the
instrument continues operation under the conditions