Yaesu Musen 20575X50 HF/VHF/UHF All Mode Transceiver User Manual FT 991A Operating Manual
Yaesu Musen Co., Ltd. HF/VHF/UHF All Mode Transceiver FT 991A Operating Manual
Contents
- 1. Users Manual Part 1 Rev 1
- 2. Users Manual Part 2
- 3. TempConfidential_05_User_Manual_scope_function_only
TempConfidential_05_User_Manual_scope_function_only
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HF/VHF/UHF All Mode TrAnsceiVer
FT-991A
operATing MAnUAl
YAESU MUSEN CO., LTD.
Tennozu Parkside Building
2-5-8 Higashi-Shinagawa, Shinagawa-ku, Tokyo 140-0002 Japan
YAESU USA
6125 Phyllis Drive, Cypress, CA 90630, U.S.A.
YAESU UK
Unit 12, Sun Valley Business Park, Winnall Close
Winchester, Hampshire, SO23 0LB, U.K.
FCC ID: K6620575X50 / IC: 511B-20575X50
YAESU MUSEN CO., LTD.
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Page 40
FT-991A OperATing MAnuAl
convenience features
Scope
The SCOPE function provides a spectrum display of the band conditions. Both strong and weak signals can be clearly
displayed on the TFT screen. In the MANUAL mode, the scope frequency spectrum is scanned one time and displayed.
In the “Continuous Sweeping mode”, the scope spectrum is repeatedly swept and displayed. The scope sweep and span
may be optimized according to your preferences and purposes.
Touch [SWEEP] on the LCD to display the band condi-
tions (spectrum).
The transceiver is equipped with two types of sweep-
ing mode: “MANUAL mode” and “Continuous
sweeping mode”. Refer to the advice below to select
the optimal mode according to your preferences and
purposes.
Advice:
“Spectrum display mode” or “Waterfall display
mode” may be selected in Menu item “117 SCP
DISPLAY MODE”.
Width of scope display may be set in Menu item “118
SCP SPAN FREQ”.
Color of the SPECTRUM display may be set in
Menu item “119 SPECTRUM COLOR”.
Color of the WATER FALL display may be set in
Menu item “120 WATER FALL COLOR”.
Reception frequency Transmission frequency
Width of scope
Lights up when transmission frequency
is outside of the display range
Reception frequency: Green
Transmission frequency: Red
Example of waterfall display
FCC ID: K6620575X50 / IC: 511B-20575X50
YAESU MUSEN CO., LTD.
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Copyright 2016
YAESU MUSEN CO., LTD.
All rights reserved
No portion of this manual may be
reproduced without the permission of
YAESU MUSEN CO., LTD.
Printed in Japan
FCC ID: K6620575X50 / IC: 511B-20575X50
YAESU MUSEN CO., LTD.