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HP
8901A/02A
Code Differences
HP 8901A
A1 (or AU)
F1 (or MZ)
F2 (or KU)
F3 (or KD)
F4 (or 24 or SP)
F5 (or 25 or SS)
K1 (or CL)
U1 (or D1)
U2 (or D2)
U3 (or D3)
U4 (or D4)
Z1 (or HZ)
22 (or HU)
23 (or HD)
M4
s 4
R1
R2
4.0SP
4.1 SP
4.2SP
7.1 SP
7.2SP
9.OSP
1O.OSP
11 .OSP
11.1SP
11.3SP
15.0SP
Status
Byte
HP
8902A
AU
MZ
KU
KD
SP
ss
CL
D1
D2
D3
D4
HZ
HU
HD
35.0SP
36.0SP
LN, R1
LG, R1
AT, K O
AT, K1
MZ, K O
7.1 SP
7.3SP
G1
34.0SP
LN, R2
LG, R2
use
"-"
key
15.0SP
Status
Byte
Functions
AUTOMATIC OPERATION
MHz (INPUT FREQ)
fi
kHz
4
kHz
SPECIAL
SPECIAL, SPECIAL
CLEAR
PEAK+
PEAK HOLD
Average Detector (RMS Calibrated)
Hz INPUT FREQ
PEAK-
fi
Hz
u
Hz
Peak RF Level
Peak Tuned RF Level
O / o
RATIO
dB RATIO
Auto Tuning, low-noise lock mode
Auto Tuning, track mode
Manual Tuning, low-noise lock mol
10 Hz frequency resolution
1000 Hz frequency resolution
Hold Setting (RANGE HOLD)
IF Frequency
O / o
PREVIOUS RATIO
dB PREVIOUS RATIO
Make Ratio Reference Negative
e
Oven Check (returns
" 0
if oven OK or not
installed, rather than doing nothing as in
the 8901 A)
Status Byte Bits "Upper Limit" (weight 8)
and "Lower Limit" (weight 16) are merged
together into "Limit Reached" (weight 8)
12
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