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MMR-8

Tascam MMR-8 Owner’s Manual • Chapter 3 • MMR-8 Operation

SHIFT+UP

ARROW

(TC/FEET)

Toggles the LCD transport position and register display between time code or
35mm film feet/frames format.

TRIM

Activates a mode in which Wheel rotation and Up/Down arrow keys change the
time code value in the currently active register. This allows fine control over
incremental and decremental changes in a particular time code value.

When TRIM is pressed, the MMR-8 goes into a Trim mode, indicated by the lit
LED over the Trim key. At this point, the active register is being “trimmed”, with
the left/right arrow keys (JOG/SHTL) selecting the digit, and the Wheel or
Up/Down arrow keys incrementing or decrementing that digit. If no register is
recalled beforehand, the trim operation is performed only on the entry register’s
time code. When trim mode is exited by pressing the TRIM key, the trimmed value
is then kept in the register, and the value for that register is sent to the transport.

SHIFT+TRIM

(

∆

TRIM)

The shifted version of this key performs what is called a “dynamic” trim, indicated
by use of the Delta (

∆

) character for the shifted key designation. The only

difference between this and the normal trim is that dynamic trim sends the trimmed
value continuously to the transport whenever the value changes.

At any time during either type of trim operation, CLR may be pressed to cancel the
trim operation, returning the value of the register being trimmed to its previous
value. Pressing TRIM during the trim operation completes the trimming and
automatically stores the trimmed value in the appropriate memory or register.

JOG

Pressing JOG stops the transport and allows the Wheel to “scrub” over the current
location at a speed relative to the motion of the wheel. The minimum Jog speed is
Play/8 (3 octaves down), and maximum is 1.5 times nominal speed. Jog is typically
used to play audio at slow speed to locate to a particular spot in pre-recorded
material in order to identify an edit or punch point. Sound is produced in the Jog
mode only as long as the wheel moves.

Pressing the JOG key again or pressing the STOP key halts the Jog action and takes
the system out of the Jog mode.

Although Jog has no shifted function, the alternate function of this key is the left-
arrow, which is active in several different modes, and which typically scrolls the
window to view parts of the display that may extend beyond the window. This key
also moves the cursor left for selection of a digit within a time code that may need
trimming, or for selecting a character value to alter in a Setup menu.

SHTL (SHUTTLE)

Pressing the Shuttle key stops the transport and allows the Wheel to initiate
sustained audio playback from the current location at continuously variable speeds.
Shuttle is typically used to assist in locating a particular spot in pre-recorded
material, and is useful for “fast-forwarding” through material while listening. The
minimum Shuttle speed is a very slow crawl (Play/1000) and maximum is 1.5
times nominal speed. The Shuttle speed is governed by the distance traveled by the
Wheel, with ½ turn equal to half speed, a full turn for nominal speed, and 1 ½ turns
for 1.5 times nominal speed. Pressing the Shuttle key again or pressing the Stop
key halts the Shuttle action.