Yaesu M-90D Instructions
LOCK key
This is a one touch PTT key with
a lock function.
When the LOCK key is pressed,
the transmit mode is set and held,
When the key is pressed again
the transceiver returns to receive
mode again.
PTT key
Press and hold down this key to
transmit, and release it to receive.
Desktop Microphone
Angle adjustment Screws
The angle of the microphone may
be adjusted by loosening (turning
counterclockwise) the screws 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.
The angle of the microphone may
be adjusted by loosening (turning
counterclockwise) the screw on the
pivot top. Place the microphone in
the desired position and then tighten
the screw (turn them clockwise) to
secure the microphone.
MIC Jack (8-pin)
Use the supplied microphone
cable to connect the microphone
to a transceiver that has a “modular terminal”.
MIC Jack (modular)
Use the supplied microphone cable to connect the microphone to
a transceiver that has an “8-pin
terminal”.
Specications
Supply Voltage: DC 5.0 V ±10 %
Current Consumption: 15 mA (TYP)
Microphone Type: Dynamic
Frequency Response: 30 - 17000 Hz
Sensitivity: -60 dB (1 kHz 0 dB=1V/1Pa)
Using the M-90D with Yaesu Transceivers
The M-90D operates with the below Transceivers.
FT-817/ND FT-818ND FT-857/D FT-891 FT-897/D
FT-450/D FT-900 FT-991/A FT-847 FT-920
FT-950 FT-1000MP FT-1000MP MARK-V FT-2000/D
FTDX1200 FTDX3000D FTDX5000 FTDX9000
FTDX101D FTDX101MP FTDX10
FT-747* FT-840* FT-850* FT-990* FT-1000*
* Requires Optional “Microphone Power Supply Kit”. as of Apr, 2021
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.
Be sure to read the safety precautions printed in the Operating Manual of the compatible
transceiver to use this product safely.
Safety Precautions (Be Sure to Read)
Low-Cut switch
When this switch is ON, a low-cut
filter (cut-off frequency 340 Hz,
-6 dB/octave) is activated.
Microphone Impedance: 600 Ohms
Dimensions (W x H x D): 4.17” x 7.56” x 4.98”
(106 x 192 x 126.5 mm)
*H: Maximum with microphone at
Weight (approx): 18.7 oz (530 g) w/o cable
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 o 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 dierent from that to which the
receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
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.
Disposal of Electrical and Electronic Equipment
YAESU MUSEN CO., LTD.
2105G-BS
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