Motorola R-2002A Manual page 48

-
Table 5-2. Control Buses and Functions
~
RF Bus AF Bus #1
AF Bus #2
~.
D3 D2 D1
DO
D3 D2 D1
DO
D3
D2 D1
DO
ADRS
ADRSi
310-440 Audio Synth
0
PLL
AO
NO
Display Led's
0
-.
310-440 Audio Synth
1
PLL
NO N1
Function Led's 1 -
31Q-440
Audio Synth
2
PLL
N1 N2
Mode Led's
2
60
Audio Synth
Input Scope Atten
3
PLL
NO N3 3
0.001 O.Q1
0.1 1.0
60 DPL
AUDIO Atten
Ext In
4
PLL
N1
PL
CLK
DPL
Synth lnt/Ext
AC/DC
4
Sel
Enab
Sel
N4 Sel
Sel
60 MOD
Audio Aduio Audio
5
PLL
N2
To Spkr
Atten Atten
Atten
RF Atten Position 5
Enab
30 dB 20 dB
10 dB
60
DPLX DSBSC
FM AM
6
PLL
N3 MOD MOD
MOD MOD
Scan Switch Position
6
Enab Enab
Enab
Enab
310-440 60
IF
SIG RF Input
7
Pll
PLL
N4 Overl'd
Present <+20 dB
WB/NB
7 A1
Sw In
In
In
In
1500-1000 250-500
CSSG
CSSG
Hi/Lo
Gen
DVM MODE
Cont
Burst
8 Out Out Image
Sw In
8
Enab Enab
Select
Sw In
Sw In
Sw In
WB
(MOD)
MOD MOD
Pk Det Pk Det
Pk Det
Scop• V•rtlcal Switch Pll_n_
- - 0.1V- 0.01V-
9
MOD
X
(2)
INV/INV FM/SWP
FM MOD AM MOD De mod
10V/ 1V-100kHzlOkHz lkHz
g
Enab Enab
Sel
Sel
Enab
Enab Enab
DIV DIV
1
DIV DIV
0.01-
500-700/
LOOP
MOD
lnt DVM
IF/BFO
Mon
Scope
1000
~00-1000
INV/INV
X
0.1
WB/NB
Horiz Switch Pos
A A
Disabl~
Freq
Sw
Sel VCO Sel
Sel Enab
Sel
Sel
In
Sw In
B
Horiz Scope
Vert Scope
B
Mode Sel
Mode Sel
-
Pwr
(Mon +
.01-1
c
MTR
DSB)/
/1-10
c
Gen
Swp
Enab
Sel
Sel
SSB
FM AM
De mod
Scope Time Base CTL
·-
D De mod De mod De mod To Spkr
SSC1
E-ll
D
Enab Enab Enab
Enab
SSC3
SSC2
WB/NB
De mod
Alarm
LIN IF/
Scope Time Base CTL
DVM
E
INV/INV Log IF
AC/DC
Freq Cntr Range E
Sel
Sel
Enab
Sel
SSC7
SSC6
SSC5 SSC4
Sel
Ctr/DVM
Counter Input Sel
F
Sel
IF/BFO Offset Ext
F
5-9