Operating instructions

October 1990
4 - 1
Section 4 Operation
This section contains a list and an accompanying explanation of each of the
operating conditions (or modes) of the MTR-90III and detailed instructions
describing each mode of operation. All portions of this section should be
read when first becoming familiar with the machine and then again as a guide
while learning to operate the machine. The Table of Operating Modes
provides a quick reference, and the detailed portion provides in depth
instructions about how to operate the machine. Information regarding
installation and set-up of the machine is contained in Section 2 of this
manual. If unpacking and hooking up the machine for the first time, please
refer to Section 2 before continuing with this section.
OTARI recommends situating the Remote Control Unit (and the optional Auto
Locator) in a convenient location near the mixing console.
4.1 Modes of Operation ................................................ 4-2
4.2 Record and Play Modes ........................................... 4-3
4.2.1 Threading the Tape on the Machine ............................... 4-3
4.2.2 Recording Initial Tracks .......................................... 4-4
4.2.3 Playback of Initial Tracks ......................................... 4-5
4.2.4 Sel·Rep Recording (Overdubbing) ................................ 4-5
4.2.5 Sel·Rep Recording (Punch-Ins) ................................... 4-6
4.2.6 Rehearsal of Overdubs and Punch-Ins ............................ 4-7
4.2.6.1 Rehearsal of Overdubs .................................... 4-7
4.2.6.2 Rehearsal of Punch-Ins .................................... 4-7
4.2.7 Mixdown ......................................................... 4-8
4.2.8 Cue Modes ....................................................... 4-8
4.2.8.1 Normal Cue Mode ......................................... 4-8
4.2.8.2 Fast Cue Mode (Lifter Defeat) .............................. 4-8
4.2.9 Spot Erasure ..................................................... 4-9
4.2.10 Variable Speed Mode ............................................ 4-9
4.2.11 External Speed Reference ...................................... 4-10
4.3 Auto Locator Operation .......................................... 4-10
4.3.1 Entering Locate Times .......................................... 4-10
4.3.2 Storing Cue Points .............................................. 4-11
4.3.3 Recalling Cue Points ............................................ 4-11
4.3.4 Clearing Cue Points ............................................. 4-12
4.3.5 Search .......................................................... 4-12
4.3.6 Search Zero .................................................... 4-13
4.3.7 Shuttle ......................................................... 4-14
4.3.8 Auto Rewind .................................................... 4-14
4.3.9 Setting the Tape Time Readout (Offset Mode) .................... 4-15
4.3.10 Zero Set ....................................................... 4-15
4.3.11 Stop Watch .................................................... 4-15