TEAC DM-4800 DM-4800 Owner's Manual - Page 57
Changing the clock, Clock phase, OUT SPEED, Word WORD SYNC connection
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3 - Connections : Clock setting Changing the clock If the desired clock source has a frequency selection option, select the frequency. The stereo digital inputs (D-IN1 and D-IN2) can have their sampling frequency manually set here (but remember that if the frequency converter is turned on, they cannot act as clock sources). To enable the manual setup for both digital inputs, which copes with ambiguous embedded C bit (channel status bit) information, check the checkbox, and select the sampling frequency. Note also that if the optional AES/ EBU slot card is fitted, the settings made here are applied to this card as well. The following options relate to the different clock sources available: Internal Word (WORD SYNC) connection Cascade Digital in 1/2 TDIF 1/2/3 ADAT AES card TDIF card ADAT card AD/DA card FireWire card Surround monitor card Normal High-speed 48K/44.1K 96K/88.2K 48K/44.1K 96K/88.2K No options Manual setup, 48K/44.1K Manual setup, 48K/44.1K96K/88.2K No options 48K/44.1K 1/2, 3/4, 5/6, 7/8 96K/88.2K (note that this is dual-line input at high speed) 1/2, 3/4, 5/6, 7/8 No options 48K/44.1K No options-this card is not capable of acting as a clock source No options-this card is not capable of acting as a clock source No options-this card is not capable of acting as a clock source Table 3.1: Clock options in normal and high-speed modes When you have selected the appropriate option for the clock source, move the cursor to the checkbox and press ENTER. A checkmark (✔) appears in the box if a valid clock signal is present, a cross (✘) if it is not present, and a question mark (?) if the clock signal is out of range. An appropriate popup message is shown in the event of an error in the selected clock signal. If the clock signal is a valid one, and one which can be used, an appropriate popup message (depending on the action selected when the clock is changed ("Clock change action" on page 56) is shown). Press ENTER to change the clock, or a cursor key to cancel the action. Clock phase The phase of the clock signal received at the WORD SYNC IN or transmitted or passed through the WORD SYNC OUT/THRU terminal (see also "WORD SYNC (IN and OUT/THRU)" on page 55) can be inverted using the on-screen phase controls. OUT SPEED Note that in high-speed mode, the clock transmitted from the WORD SYNC OUT can be either the high-speed (88.2/96) clock or the corresponding normal speed (44.1/48) clock. TASCAM DM-4800 User's Manual 57