Mark IV Field System Documentation | Version 9.3 | September 1, 1997

Mark IV Equipment

Return to Equipment Page

General Commands

check - modules to be checked by chekr [SNAP Commands]
echo - echo communications [SNAP Commands]
hpib - general HP interface bus communications [SNAP Commands]
mat - general communications with ASCII Transceivers [SNAP Commands]
matload - Download 8080 code to MAT [SNAP Commands]
reset - reset the MAT bus [SNAP Commands]


Computer Communications [Setup Mark III Hardware]
I.F. Distributor [Setup Mark III Hardware]
Video Converters [Setup Mark III Hardware]


form - formatter setup (Mark IV rack) [SNAP Commands]
form4 - formatter control and monitor (Mark IV rack) [SNAP Commands]
trackform - sampler assignments (Mark IV, VLBA rack) [SNAP Commands]
tracks - formatter track enables (Mark IV, VLBA rack) [SNAP Commands]

Head Controller

Head Controller MAT Protocol [MAT Protocol]
hdata - head positioner A/D data readout [SNAP Commands]
hdcalc - narrow track head calibration calculation [SNAP Commands]
hecho - head control communications echo [SNAP Commands]
locate - locate head stack position [SNAP Commands]
lvdt - head stack positioning by LVDT voltage [SNAP Commands]
pass - head stack positioning by pass number [SNAP Commands]
peak - peak up tape reproduce power [SNAP Commands]
savev - save the voltage position of narrow track heads [SNAP Commands]
worm - estimate narrow-track inchworm velocities [SNAP Commands]

I.F. Distributor

I.F. Distributor MAT Protocol [MAT Protocol]
I.F. Distributor [Setup Mark III Hardware]
IF3 Module MAT Protocol [MAT Protocol]
if3 - IF3 distributor (Mark III rack) [SNAP Commands]
ifd - IF distributor control and monitor (Mark III rack) [SNAP Commands]


lo - LO frequencies (Mark III rack) [SNAP Commands]

Tape Recorder

enable - enable record tracks (Mark IV drive) [SNAP Commands]
et - end recording on tape drive [SNAP Commands]
ff - fast-forward the tape [SNAP Commands]
label - enter tape VSN and check-label (non-S2 drive) [SNAP Commands]
parity - measure and check parity errors [SNAP Commands]
repro - set up reproduce tracks (Mark IV drive) [SNAP Commands]
rw - rewind tape [SNAP Commands]
sff - super fast-forward [SNAP Commands]
srw - super fast-rewind [SNAP Commands]
st - start tape recording [SNAP Commands]
stack - head stack positioning by microns [SNAP Commands]
tape - tape recorder control and monitor (Mark III drive) [SNAP Commands]
tapeform - specify tape format [SNAP Commands]

Video Converter

Video Converter (Rev B) MAT Protocol [MAT Protocol]
Video Converters [Setup Mark III Hardware]

Return to Equipment Page

Web curator: Nancy R. Vandenberg

Last updated: September 4, 1997