Tektronix 1740A/1750A - Manual (Page 128)

Appendix D: Software Version
1740A/1750A Series Waveform/Vector Monitor User Manual
D-2
Table D-1. Software Releases (Continued)
Ver-
sion
Comments Mod
No.
Serial No. Date
1.04 JAN
1993 1740/41A,
1750/51A
B010729
1745/55A
B010100
M7891
4 Product enhancement to coincide with
the release of dual-standard monitors.
Not sent for field upgrade.
• Remote sync changed to positive
edge trigger.
• CONFIG REFERENCE menu now
avail. only for dual-standard moni-
tors. A123/B123 Follow selection
deleted, replaced with A123/B123
Composite / Component selections
in CONFIG INPUT menu.
• Dual-standard monitors: When
NTSC & PAL ext ref’s are set the
same, and EXT REF is selected,
the ext ref channel is used to
determine the video standard.
When NTSC & PAL ext ref’s dif-
fer, the displayed video channel de-
termines the video standard.
2.1 APR
1993 B011760 M7928
3 Added Vector cursors and markers and
modified the operation of the
A123/B123 INPUT buttons.
2.2 OCT
1993 New features: On-screen field sweep
indication. Configure menu selection
for RGB Parade display. Audio &
Time Code unit of measure changed to
dBu. On-screen pointer to left or right
side graticule for dual standard. Lim-
ited the 1 of 4 and 1 of 8 line select
menu entries to instruments with SC/H
function only.