S P E C I F I C A T I O N SC R T 1 50 mm rectangular with internal graticuleAcceleration Voltage 12 kVDisplay Area 8 x 10 div (1 div = 10 mm)VERTICAL AXIS (CH1 and CH2)Sensitivity 1 mV/div to 5 V/div, ± 3 %Attenuator 1 2 steps, 1 mV/div to 5 V/div in 1-2-5 sequence.Vernier control for fully adjustable sensitivity between steps.Input Impedance 1 MQ ± 2 % approx. 22 pFFrequencyResponseDC Real timeDC to 20 MHz, within - 3 dB (5 mV/div to 5 V/div)DC to 5 MHz, within - 3 dB (1 mV/div and 2 mV/div)FrequencyResponseAC Real time5 Hz to 20 MHz, within - 3 dB (5 mV/div to 5 V/div)5 Hz to 5 MHz, within - 3 dB (1 mV/div and 2 mV/div)Rise Time 17.5 ns or less (20 MHz)70 ns or less (5 MHz)Crosstalk - 4 0 dB minimumOperating Modes CH1 Single traceOperating ModesCH2 Single traceOperating ModesALT Two-waveform display, alternatelyOperating ModesCHOP Two-waveform display, choppedOperating ModesADD CH1 + CH2 added displayChop Frequency Approx. 250 kHzChannel Polarity Normal or inverted, channel 2 only invertedA Maximum Input voltage 500 Vp-p or 250 V (DC + AC peak)HORIZONTAL AXIS Input thru CH2, x 10 MAG not includedOperating Modes With TRIG MODE switch, X-Y operation is selectable (storage mode is read only)CH1 ; Y axisCH2 ; X axisSensitivity Same as vertical axis (CH2)Input Impedance Same as vertical axis (CH2)FrequencyResponseDC DC to 500 kHz, - 3 dBFrequencyResponse AC 5 Hz to 500 kHz, - 3 dBX-Y Phase Difference 3° or less at 50 kHzMaximum Input Voltage Same as vertical axis (CH2)SWEEPType NORM Triggering sweepTypeAUTO Sweep free runs in absence of triggerTypeSINGLE Single sweepSweep Time 1 s/div to 0.5 jis/div, ± 3 % , in 20 ranges, in 1 -2-5 sequence.Vernier control provides fully adjustable sweep time between steps.Sweep Magnification x 10 (ten times) ± 5 %Linearity ± 3 % all ranges.TRIGGERINGInternal Sync CH1 Triggered by CH1 signalInternal SyncCH2 Triggered by CH2 signalInternal SyncLINE Triggered by line frequencyExternal Sync EXT; Triggered by signal applied to EXT TRIG INPUT jackExternal Sync Input Impedance Approx. 1 M0, approx. 32 pF4