pxbl21-1@linux-edqv:~/programs/epics/bl21/K6485/iocBoot/iocK6485> ../../bin/linux-x86_64/K6485 st.cmd
#!../../bin/linux-x86_64/K6485
## You may have to change K6485 to something else
## everywhere it appears in this file
epicsEnvSet("BL","bl21:")
epicsEnvSet("P","K6485:")
< envPaths
epicsEnvSet("ARCH","linux-x86_64")
epicsEnvSet("IOC","iocK6485")
epicsEnvSet("TOP","/home/pxbl21-1/programs/epics/bl21/K6485")
epicsEnvSet("K6485","/home/pxbl21-1/programs/epics/bl21/K6485")
epicsEnvSet("ASYN","/home/pxbl21-1/programs/epics/modules/synApps_5_6/support/asyn-4-18")
epicsEnvSet("EPICS_BASE","/home/pxbl21-1/programs/epics/base-3.14.12.5")
##############################################################################
cd "/home/pxbl21-1/programs/epics/bl21/K6485"
## Register all support components
#dbLoadDatabase "dbd/devK6485.dbd"
dbLoadDatabase "dbd/K6485.dbd"
K6485_registerRecordDeviceDriver pdbbase
###############################################################################
# Set up ASYN ports
# drvAsynIPPortConfigure port ipInfo priority noAutoconnect noProcessEos
drvAsynSerialPortConfigure("L0","/dev/ttyUSB0",0,0,0)
asynSetOption("L0", -1, "baud", "57600")
asynSetOption("L0", -1, "bits", "8")
asynSetOption("L0", -1, "parity", "none")
asynSetOption("L0", -1, "stop", "1")
asynSetOption("L0", -1, "crtscts", "N")
###################################################################
asynSetTraceFile("L0",-1,"")
asynSetTraceMask("L0",-1,0x09)
asynSetTraceIOMask("L0",-1,0x2)
###############################################################################
## Load record instances
dbLoadRecords("db/devK6485.db","BL=bl21:,P=K6485:,R=1,L=0,A=-1,NELM=1000")
dbLoadRecords ("db/asynRecord.db","P=K6485:,R=asyn,PORT=L0,ADDR=-1,OMAX=0,IMAX=0")
cd "/home/pxbl21-1/programs/epics/bl21/K6485/iocBoot/iocK6485"
iocInit
Starting iocInit
############################################################################
## EPICS R3.14.12.5 $Date: Tue 2015-03-24 09:57:35 -0500$
## EPICS Base built Sep 15 2016
############################################################################
Warning -- devK6485 respond2Writes is set but has no command table entry with rspLen>0.
bl21:K6485:1AutozeroRBV : init_record : record type invalid for spec'd GPIB param#11
bl21:K6485:1DisplayRBV : init_record : record type invalid for spec'd GPIB param#15
bl21:K6485:1ZeroCheckRBV : init_record : record type invalid for spec'd GPIB param#12
bl21:K6485:1ZerocorrectRBV : init_record : record type invalid for spec'd GPIB param#13
bl21:K6485:1Autozero : init_record : record type invalid for spec'd GPIB param#11
bl21:K6485:1Display : init_record : record type invalid for spec'd GPIB param#15
bl21:K6485:1RangeRBV : init_record : record type invalid for spec'd GPIB param#10
iocRun: All initialization complete
## Start any sequence programs
#seq sncxxx,"user=pxbl21-1Host"
epics>
please have a look on highlighted lines, I am unable to understand What does they mean. I hope someone to help me to get some idea.