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Audio Gain Control Switches
The switch allows for audio gain control for the headphone/speaker out jack on the back panel. Please make
sureallofthedipsaresetinthesamepositionandaresetaccordingtoyourheadphonespecication(actual
effectsmayvarybythedevicebeingused).
GAIN
F_USB30
F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3
S3
BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
F
_0
S
S
_0F
_F
Gain Ratio
DIP Setting
DIP 1 DIP 2 DIP 3 DIP 4
2.5X OFF
OFF
OFF OFF
6X ON ON ON ON
1-9 ChangingtheOperationalAmplier
Step 1:
Use an IC extractor to carefully grip the IC's sides and extract it from
the socket.
Step 2:
Align the notch on your OP chip with the notch on the socket and gently
press the chip into the socket until seated.
For purchasing the IC extractor and OP Chip, please contact the local dealer.