Yaesu M-90MS Operating Manual

Angle adjustment Screws
Attach the microphone body at the left and right
pivots with the supplied washers, lock washers,
and screws.
The angle of the microphone may be adjusted by
loosening the screws (turn them counterclockwise)
on the left and right side of the microphone yoke.
Place the microphone in the desired position and
then tighten the screws (turn them clockwise) to
secure the microphone.
W3/8 Nut
Use the supplied nut (W3/8 Nut) to attach the
yoke to a commercially available desk arm type,
or floor type microphone stand*.
Connect the straight
cable connector.
Installation examples using
typical microphone stands*.
This kit requires a commercially available microphone stand*.
*Microphone stand is not included.
Using the M-90MS with Yaesu Transceivers
The M-90D operates with the below Transceivers.
FT-817/ND FT-818ND
FT-450/D FT-900
FT-950 FT-1000MP
FTDX1200 FTDX3000D
FTDX101D FTDX101MP
FT-747* FT-840*
* Requires Optional "Microphone Power Supply Kit".
Safety Precautions (Be Sure to Read)
Be sure to read the safety precautions printed in the Operating Manual of
the compatible transceiver to use this product safely.
YAESU MUSEN CO., LTD.
Omori Bellport Building D-3F
6-26-3 Minami-Oi, Shinagawa-ku, Tokyo, 140-0013, Japan
*An optional SCU-53 cable is required when
connecting the M-90MS to an HF transceiver
furnished with a round 8-pin microphone connector.
FT-857/D FT-891 FT-897/D
FT-991/A FT-847 FT-920
FT-1000MP MARK-V FT-2000/D
FTDX5000 FTDX9000
FTDX10 FT-710
FT-850* FT-990* FT-1000*
as of Feb, 2023
MICROPHONE STAND KIT
This kit requires a Commercially available
microphone stand*.
*Microphone stand is not included.
Connect to the transceiver with the
8-pin modular microphone connector.
Specifications
Supply Voltage:
Current Consumption:
Microphone Type:
Frequency Response:
Sensitivity:
Microphone Impedance: 600 Ohms
Dimensions:
Weight (approx):
This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged
to try to correct the interference by one or more of the following measures:
 Reorient or relocate the receiving antenna.
 Increase the separation between the equipment and receiver.
 Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
 Consult the dealer or an experienced radio/TV technician for help.
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
Disposal of Electrical and Electronic Equipment
Products with the symbol (crossed-out wheeled bin) cannot be disposed of
as household waste. Electronic and Electrical Equipment should be recycled
at a facility capable of handling these items and their waste by products.
Please contact a local equipment supplier representative or service center
for information about the waste collection system in your country.
Low-Cut switch
Turns the low-cut filter (cut-off frequency
340Hz, -6dB/octave) ON or OFF.
Move the switch in the direction of the
arrow to activate the low-cut filter.
washer
lock washer
PTT switch
When this switch is pressed, the transmit mode is
set and held.
When the switch is pressed again the transceiver
returns to receive mode.
As shown in the figure, route the
optional SCU-53 cable behind
the transceiver leg to avoid inter-
fering with transceiver operation.
DC 5.0 V ±10 %
15 mA (TYP)
Dynamic
30 - 17000 Hz
-60 dB (1 kHz 0 dB=1V/Pa)
Diameter: 2.45" (62mm), Length: 6.38" (162mm)
*Microphone head size only
7.05 oz (200 g) w/ Bracket, w/o Handheld PTT Controller
Remove the cap.
Example using the
SCU-53 (optional)
EBC63X751 (2302U-BS)