GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL CONTENTS PAGE 1. PRODUCT INTRODUCTION................................................ 1 1-1.Description………………………………………………. 1 1-2.Feature…………………………………………………... 2 2. TECHNICAL SPECIFICATION………………………….. 4 3. PRECAUTIONS BEFORE OPERATION…….………….. 3-1.Unpacking the instrument………………….………….. 3-2.Checking the Line Voltage…………………..…………. 3-3.Environment……………………………………..……… 3-4.Equipment Installation and Operation……………….... 3-5.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL FOR UNITED KINGDOM ONLY NOTE: This lead/appliance must only be wired by competent persons WARNING: THIS APPLIANCE MUST BE EARTHED IMPORTANT: The wires in this lead are coloured in accordance with the following code: Green/ Yellow: Blue: Brown: USER MANUAL This cable/appliance should be protected by a suitably rated and approved HBC mains fuse: refer to the rating information on the equipment and/or user instructions for details.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL 1.PRODUCT INTRODUCTION 1-1. Description USER MANUAL 1-2.Features Additionally, the oscilloscope offers several other features: 1) High intensity and internal graticule CRT The oscilloscope employs a high intensity 6-inch retangular type The GOS-6103C is a 100MHz, two-channel, dual-sweep, portable cathode-ray tube with red internal graticule. It displays clear readable oscilloscope for general purpose use.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL 2.TECHNICAL SPECIFICATIONS 7) Trigger signal output The signal selected by the TRIGGER SOURCE is available. This output may be used to connect to a frequency counter or other instrument. 8) Panel setups lock To avoid unintentional touch of the setting, the feature is extremely useful for long term and repetitive measurements that used to be performed under the same test condition of the oscilloscope setting.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL Horizontal Modes MAIN(A), ALT, DELAY(B) 50ns~0.5s/DIV, continuously variable A (main) Sweep Time (UNCAL) B (delay) Sweep Time 50ns~50ms/DIV HORIZONTAL Accuracy ± 3% (± 5% at × 10 MAG) DEFLECTION Sweep Magnification × 10 (maximum sweep time 5ns/DIV) Hold Off time Variable SYSTEM Delay Time 1us~5s Delay Jitter 1/20000 or less Alternate Separation Variable X-axis, Y-axis selectable X-axis: CH1, CH2 2mV~5V/DIV ± 3% Sensitivity Accuracy EXT 0.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL 3.PRECAUTIONS BEFORE OPERATION 3-3.Environment The normal ambient temperature range of this instrument is from 0° to 3-1.Unpacking the Oscilloscope The product has been fully inspected and tested before shipping from the 40°C (32° to 104°F). To operate the instrument over this specific factory. Upon receiving the instrument, please unpack and inspect it to temperature range may cause damage to the circuits.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL 4. PANEL INTRODUCTION After the instrument is switched on, all the important settings are displayed in the readout. The LED’s located on the front panel assist operation and indicate additional information. Incorrect operation and the electrical end positions of control knobs are indicated by a warning beep.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL 4-1.Front Panel Display controls USER MANUAL (3).TRACE ROTATION The TRACE ROTATION is for aligning the horizontal trace in The display controls adjust the on-screen appearance of the waveform and parallel with graticule lines. This potentiometer can be adjusted with a provide a probe compensation signal source. small screwdriver. (4).FOCUS The control knob effects both the trace and the readout sharply. (5).
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL (7).20MHz BWL – Pushbutton with indicator LED. USER MANUAL (11)TRACE SEP Briefly pressing the pushbutton, the bandwidth is reduced to approx. The instrument contains a trace separate function which is required in 20MHz, and the measurement is made by eliminating undesired high the alternate time base mode to separate the DELAY time base trace(s) frequency signal from the waveform.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL (13)CH1 VOLTS/DIV. (17)CH1 AC/DC. (14)CH2 VOLTS/DIV– Control knob for channel 1/channel 2 has double (18)CH2 AC/DC function. Pressing the pushbutton briefly to switch over from AC (~ symbol) to Turning the knob clockwise to increase the sensitivity in 1-2-5 sequence DC (= symbol) input coupling. The setting is displayed in the readout and turning it in the opposite direction (CCW) to decrease.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL Horizontal controls: USER MANUAL (22)MAIN/ALT/DELAY—X-Y – Pushbutton for time base mode The horizontal controls select the time base operation mode and adjust the selection. horizontal scale, position and magnification of the signal. The instrument contains two-time base designated MAIN and DELAY. With the aid of the DELAY time base, signal parts displayed by the MAIN time base can be expanded in X-direction.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL coefficient (uncalibrated i.e. “DLY>0.125ms”). The width of the SETUPS LOCK window segment decreases when the DELAY time coefficient is set to Pressing and holding the pushbutton, then switch the panel setups lock a lower value (higher time deflection speed). function on or off.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL coefficient (reduce the deflection speed) and the deflection coefficient USER MANUAL (26)MODE – Pushbutton and indicator LEDs. becomes uncalibrated. Instead of “A=10μs”, the readout then displays Pressing the pushbutton to select the trigger mode. The actual setting “A>10μs” indicating the uncalibrated condition. This setting is stored is indicated by a LED. if the instrument is switched to ALT or DELAY time base mode.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL When the setting (voltage) value is out of the changing portion of the LFR (Low Frequency Reject) Attenuates low-frequency triggering signal components below 40kHz observation waveform, the synchronization sweep stops. Sometimes a and blocks the DC component of the trigger signal.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL (30)DELAY-HO—Control knob with a double function and associated LED. (31)TV-V/TV-H—Pushbutton for video sync signal selection. TV-V The control knob has two different functions depending on the time Start the main trace at the beginning of a video signal field. SLOPE base mode. polarity must match the composite sync polarity (i.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL Measurement and Panel setting Control FUNC (Function) The measurement section controls the on-screen readout and the cursor In the AUTO measurement mode, each time when the pushbutton is measurements. For more information, please refer to page 9 “PANEL briefly pressed the four measurement parameters will be selected in the INTRODUCTION” section for the instrument to store and recall the sequence as follows: FREQ panel setting.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL (34) MEMO- 9 —SAVE/RECALL USER MANUAL (35)CH1—Input BNC socket The instrument contains 10 non-volatile memories, which can be used This BNC socket is the signal input for channel 1. In X-Y mode, by the operator to save instrument setting and to recall them. It relates signals at this input are used for the Y or X deflection. The outer to all controls which are electronically selected.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL 4-2.Rear Panel USER MANUAL (42)Z-Axis Input—BNC socket The rear panel provides input power and additional signal connections. Connect external signals to the Z-axis amplifier for intensity modulating the CRT display. This terminal is DC-coupled. The intensity is lowered by a positive signal, while it is increased by a negative signal.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL 5. OPERATION METHOD This section contains basic operation information and techniques that should be considered before proceeding any measurement. As for the location and function of instrument controls, connectors, and indicators, refer to the “Instruction of Front Panel and Rear Panel” of this manual. 5-1.Readout Display The CRT readout display indicates how to set up the instrument controls.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL 5-2.Connecting Input Signals USER MANUAL 5-3.Adjustments and checks Grounding Trace Rotation Adjustment The most reliable signal measurements are made when the oscilloscope Normally, when the trace is in parallel with the center horizontal graticule and the unit under test are connected by a common reference (ground line, there will be no need to adjust the TRACE ROTATION. If necessary, lead) in addition to the signal lead or probe.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL 5-4.Function Check 7. Observe the displayed waveform and compare them with the When you start to check the operation of your oscilloscope, proceed the waveforms shown in figure 5-2. If either probe needs to be adjusted, following instruction: proceed the step 8. If either probe does not need to be adjusted, proceed 1. Install the ×10 probes onto CH1 and CH2 inputs. the “Function Check”. 2.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL 5-5.Basic Operation 4. Set both CH1 and CH2 COUPLING to GND. Displaying CH1 or CH2 5. Use the CH1 and CH2 POSITION controls to align both traces on the To display the signal from a signal channel, pressing briefly the CH1 or center graticule. CH2 pushbutton to set the oscilloscope to channel 1 or channel 2. 6. Open the CH2 INV by pressing and holding the pushbutton. Displaying CH1 and CH2 7.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL Displaying the sum or difference of CH1 and CH2 Comparing Frequency and phase (Single X-Y Operation) To display the algebraic sum or difference of CH1 and CH2, proceed the To compare the frequency and phase between two signals by using the following steps: X-Y mode. The X-Y waveform displays different amplitude, frequency, 1.Set the ALT/CHOP/ADD button to ADD mode. The figure 5-6 below and phase.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL Setting up Dual X-Y Operation To use the oscilloscope in the dual X-Y mode, proceed the following steps: 2. Set the MAIN/ALT/DELAY button to ALT mode, and set the time 1. Connect the horizontal or X-axis signal to the EXT (X) input. range of the DELAY TIME/DIVE control to be magnified. 2. Connect one of the vertical or Y-axis signal to the CH1 (Y1) input. The figure 5-9 below shows the main and delayed sweeps appear 3.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL Magnifying Waveform Events Use the ×10 MAG pushbutton to view small portions of a waveform as which is too far back from the starting point to view by using the TIME/DIV control. To use the ×10 MAG button, proceed the following steps: 1. Adjust the TIME/DIV to the fastest sweep that displays the event. 2. Rotate the HORIZONTAL POSITION control to move the event to Figure 5-11(a) display on the center of screen. 3.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL 5-6.Measurement Application The oscilloscope has a cursor measurement system for making accurate, direct-readout voltage, time, frequency and phase measurements. The measurements described in this section are examples of typical applications using this measurement system.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL Figure 5-14: Cursor Measurement (a).Typical △ V (Voltage difference) for AC voltage. 1. Set the VOLTS/DIV and VAR controls to provide an exact five-division vertical display. 2. Use the vertical POSITION control to control the negative amplitude When both CH1 and CH2 are turned on, the of the signal on the 0% reference line and the positive amplitude on measurement value of CH1( △ V1) or the 100% reference line.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL (g).Typical △ Θ cursor function for phase USER MANUAL AUTO MEASUREMENT measurement. Proceed a measurement by using the auto-measurement according to the A phase measurement is done by first setting following steps: a reference for the full 360o waveform 1. Pressing and holding the MEAS’MT FUNCTION pushbutton to turn on the period: auto-measurement and measurement readout. o 2.
GOS-6103C OSCILLOSCOPE GOS-6103C OSCILLOSCOPE USER MANUAL USER MANUAL 6-3.Cleaning 6.MAINTENENCE To clean the oscilloscope, use a soft cloth dampened in a solution of mild The following instructions are executed by qualified personnel only. To avoid detergent and water. Do not spray cleaner directly onto the oscilloscope electrical shock, do not perform any servicing other than the operating because it may leak into the cabinet and cause damage. instructions unless you are qualified to do so.
GOS-6103C OSCILLOSCOPE USER MANUAL 7.
