Note
Do not change the setting of “Factory use” switch.
Ref. No. Name bit Description Factory setting
S400 TEST 1 to 8 Factory use OFF (ALL)
S900 GRST — Factory use OFF
DTX-9 Board
S401
1
2
3
4
A
B
C
DE
F
DTX-9 Board (Side A)
Ref. No. Name bit Description Factory setting
S401 MODE 1 to 8 Factory use OFF (ALL)
1-6-3. Functions of Onboard Potentiometers
AT-167A Board
1
2
3
4
5
A
B
C
DE
FGHJ
AT-167A Board (Side A)
RV702
RV701
Ref. No. Name Description
RV701 27M FREQ Volume that adjusts the free-run frequency of 27M-VCO (X701). Must
be readjusted when replacing X701.
RV702 CK-DUTY Volume that adjusts the clock duty of the 74 MHz clock.
HDCU2500
1-18