![Pacific Power Source UPC-32 Operation Manual Download Page 92](http://html1.mh-extra.com/html/pacific-power-source/upc-32/upc-32_operation-manual_3149812092.webp)
SECTION 5
REMOTE OPERATION
82
7
5
4
3
2
1
0
*SRE <NRf>
*SRE?
ESB
MAV
3
2
1
0
7
RQS
MSS
6
SOS
ESB
SQS
EEQ
&
&
&
&
&
&
&
FIGURE 5.1
STATUS BYTE MODEL
SERVICE
REQUEST
GENERATION
L
O
G
I
C
A
L
O
R
QUEUE
NOT-EMPTY
OUTPUT QUEUE
READ BY
ADDRESSING
UPC AS A
TALKER
BUSY
SHUTDOWN
READ BY
SERIAL POLL
STATUS BYTE
REGISTER
READ BY *STB?
SERVICE REQUEST
ENABLE REGISTER