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3.3 Remote Control Unit (CB-147)
NOTE: Numbers in brackets [ ] refer to Figure 3-3.
[1] PLAY/STOP/RWD/F.FWD/RECORD/CUE Buttons
These buttons have the same function as the corresponding buttons on the
MTR-90III (see §3.1).
❑ The CUE button on the Remote Control can be used only for Lifter
Defeat.
[2] PITCH CONTROL Knob The PITCH CONTROL knob is used to vary the tape speed from the selected
tape speed over a range of approximately ±20% when the Speed Mode
switch [6] has been set to VARI. The varied tape speed can be displayed on
the Speed Display screen [4] when the SPEED DISPLAY button [5] has been
pressed.
[3] %-IPS Button/Indicators This button switches the Speed Display screen [4] between inches per
second (ips) and percentage of the selected tape speed (%). The appropriate
indicator will illuminate to indicate which mode has been selected.
[4] Speed Display Screen/Indicators This four digit speed display screen shows the current tape speed in either
ips or percentage of the change from the selected speed as determined by
the %-IPS Switch [3]. The SPEED DISPLAY button [5] must be first pushed to
view this variation. This screen also contains the HI-LO indicators for
showing the selected tape speed.
[5] SPEED DISPLAY Button The SPEED DISPLAY button is used to turn the Speed Display screen [4] on
and off.
[6] Speed Mode Switch The Speed Mode switch gives a choice of three references for tape speed
control.
❑ FIX Mode: The capstan speed is fixed by reference to an internal crystal
oscillator at either 15 ips (38 cm/s) or 30 ips (76 cm/s) selected by the
TAPE SPEED button (§3.1, [2]) on the MTR-90III.
Figure 3-3
Remote Control Unit Features
MTR-90III Operation and Maintenance Manual
October 1990
Section 3 Controls and Indicators
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