User manual

Specifications
227
Trigger system
Source CH1, CH2, EXT, EXT/5, AC Line, Alternating
Modes Auto, Normal, Single
Coupling DC, AC, LF-Reject, HF-Reject
Type Edge, Pulse, Video
Trigger level range
Internal: ±8 divisions from screen center
EXT: ±1.6 V
EXT/5: ±8 V
Trigger sensitivity 0.1 div to 1.0 div user adjustable
EXT input impedance 1 MΩ || 18 pF
EXT maximum input 400 V
pk
@1 MΩ
Video Standard
Supports NTSC, PAL, and SECAM broadcast
systems for any field or any line
Holdoff Range 100 ns to 1.5 s
Trigger Level
Accuracy
Internal: ±0.3 div x Volts/div
SET LEVEL TO 50% Operates with input signal ≥ 50 Hz
Pulse Width
Trigger mode
Trigger when Less than, Greater than, Equal,
Positive pulse , Negative pulse
Pulse Width Range 20 ns to 10 s