GW Instek GBS-1000 Series User Manual - Manual (Page 129)

CONFIGURATION
129
4. Press F3 repeatedly to select
the video standard.
Standard
NTSC
F 3
Range NTSC, PAL, SECAM
5. Press F4 repeatedly to select
the video signal polarity.
F 4
Polarity
Range positive, negative
6. Press F5 repeatedly to select
the video field line. Use the
Variable knob to select the
video line.
Line
F 5
Field 1, 2
Video line NTSC: 1 ~ 262 (Even), 1 ~ 263 (Odd)
PAL/SECAM: 1 ~ 312 (Even),
1 ~ 313 (Odd)