User Manual

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