User manual

SCPI Command Reference 5-53
Measurement Event Register:
Bit B0, Reading Overflow (ROF) — Set bit indicates that the reading ex-
ceeds the measurement range of the instrument.
Bit B1, Low Limit (LL) — Set bit indicates that the reading is less than the
Low Limit 1 setting.
Bit B2, High Limit (HL) — Set bit indicates that the reading is greater than
the High Limit 1 setting.
Bits B3 and B4 — Not used.
Bit B5, Reading Available (RAV) — Set bit indicates that a reading was
taken and processed.
Bit B6 — Not used.
Bit B7, Buffer Available (BAV) — Set bit indicates that there are at least
two readings in the trace buffer.
Bit B8, Buffer Half Full (BHF) — Set bit indicates that the trace buffer is
half full.
Bit B9, Buffer Full (BFL) — Set bit indicates that the trace buffer is full.
Bits B10 through B15 — Not used.
RAV
B15 - B12 B10
B9 B8 B7 B6 B5
B4 B3
B2 B1
B0
(2 )
9
(2 )
8
(2 )
7
(2 )
5
(2 )
2
(2 )
1
(2 )
0
32
0/1
Bit Position
Event
Decimal Weighting
Value
Value : 1 = Measurement Event Set
0 = Measurement Event Cleared
LL
2
0/1
Events : BFL = Buffer Full
BHF = Buffer Half Full
BAV = Buffer Available
RAV = Reading Available
HL = High Limit
LL = Low Limit
ROF = Reading Overflow
BFL HL ROF
512 4 1
0/1 0/1 0/1
BHF BAV
256 128
0/1 0/1
B11
Figure 5-4
Measurement
event register
2000-900 (J - Aug 2010) BOOK.fm Page 53 Wednesday, October 12, 2011 12:29 PM