TEAC DM-3200 DM-3200 Owner's Manual - Page 44
Clock setting
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3 - Connections : Clock setting Clock setting When the connections have been made to the DM3200, you must select a clock source. The master clock source is also used to determine the sampling frequency for the whole project. Remember that the DM-3200 can act as a clock source or clock master, but there must be only one master clock source in your studio setup. Press the PROJECT key until the CLOCK screen appears: After confirming that you want to do this, a popup appears, informing you of the status of all potential clock sources. Figure 3.6: PROJECT CLOCK screen (high-speed) Fs MODE The first item to be selected is the use of the high-speed or normal clock. When the lower 88.2K/96K (high-speed) option is selected, many of the 44.1K and 48K legends on the screen change to 88.2K and 96K respectively. In addition, in high-speed mode, the digital inputs are also available, and the number of available clock sources on the optional AES/EBU interface card (if fitted) is reduced: In both this and the normal speed clock screen, the current clock status is displayed at the top of the screen (as shown above). Checking the clock You can make a check of the system by moving the cursor down to the bottom of the screen and pressing the CHECK [START] button. Figure 3.7: Checking the clock sources Varispeed clocking Note that the DM-3200 is able to accept audio data and clock signals from "varispeed" devices, provided the playback speed and hence the sampling frequency is within 6% of the nominal frequency. Of course, when the out-of-normal clock is to be retransmitted to other devices, it depends on the implementation of the other devicse as to whether the clock can successfully be accepted by them. Clock change action When the clock is changed, you have an option to reboot and keep (KEEP) the existing mixer configuration (MIXER CONFIGURATION), or to initialize the settings (INITIALIZE) the DM-3200. When you make the change to the clock, an appropriate popup message appears, telling you what is about to happen (either the mixer will reboot, or the data will be initialized). Press ENTER to carry on with the operation or a cursor key to cancel it. WARNING Whichever option you select here, remember that changing the clock source and/or frequency may produce "thumps" and noise which may cause damage to your hearing and the monitoring system, etc. Turn down the levels of all such equipment before making the change to the clock settings. 44 TASCAM DM-3200 User's Manual