EQ Settings for the FT 991

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To boost TX audio, turn on the “MIC-EQ” from the display screen function buttons.

Set “SSB out level”, menu number 107 to 80
Set “SSB TX BPF”, menu number 110 to 300-2700

Set the following menu numbers to the values shown.

(For original FT-991 without updated firmware, menu numbers will be 2 places higher)

MenuDescriptionValue
119EQ1 Freq500
120EQ1 Level9
121EQ1 BWTH8
122EQ2 Freq1000
123EQ2 Level7
124EQ2 BWTH8
125EQ3 Freq2000
126EQ3 Level5
127EQ3 BWTH4
128EQ1 Freq100
129EQ1 Level10
130EQ1 BWTH3
131EQ2 Freq700
132EQ2 Level-3
133EQ2 BWTH7
134EQ3 Freq3200
135EQ3 Level10
136EQ3 BWTH2
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Yaesu Serial Number Info:
Year, Month, Production Number, Unit number

e.g. 4N960040
4 = Year (2004) N = Month (Months start with C for January so N = December) 96 = Production Number and 0040 = Unit number.

C = January, D = February, E = March, F = April, G = May, H = June, I = July, J = August, K = September, L = October, M = November, N = December

Service Menu : WARNING – Do not change the service menu settings unless you are qualified to do so and with all appropriate test equipment.

Power up while holding in FAST, A/B, and A=B buttons
To save changes, press and hold MENU/SETEP button until radio restarts

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