PeakTech 1280 Bedienungsanleitung Seite 103

Trigger:
Performance Characteristics
Trigger level range
Trigger level
Accuracy (typical)
Trigger displacement
Trigger Holdoff range
50% level setting (typical)
Edge trigger
Pulse trigger
Video Trigger
Slope Trigger
Alternate Trigger
*Video: In alternate trigger, only one channel at most can be set as Video mode.
When P 1290 is in alternate trigger, only CH1 can be set as Video mode.
Output of the Probe Compensator
Performance Characteristics
Output voltage (Typical)
Frequency (Typical)
Internal
Internal
EXT
± 5 div from the screen center
± 0.3 div
TTL
According to Record length and time base
100 ns ~ 10 s
Input signal frequency ≥ 50 Hz
slope
Trigger condition
Pulse Width range
Modulation
Line number range
Trigger condition
Zeiteinstellung
Trigger on CH1
Trigger on CH2
P 1280
P 1285
P 1290
Square wave of 1 kHz
-102-
Instruction
Rising, Falling
Positive pulse: >, <, =
Negative pulse: >, <, =
30 ns ~ 10 s
NTSC, PAL and SECAM
1–525 (NTSC) and
1-625 (PAL/SECAM)
Positive pulse: >, <, =
Negative pulse: >, <, =
30 ns ~ 10 s
Edge, Pulse, *Video, Slope
Edge, Pulse, *Video, Slope
Instruction
About 3.3 V, with the Peak-
Peak voltage ≥ 1 MΩ
About 3.3 V, with the Peak-
Peak voltage ≥ 1 MΩ
About 5 V, with the Peak-
Peak voltage ≥ 1 MΩ