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OPERATING INSTRUCTIONS
INITIAL STARTING PROCEDURE
Prior to turning the power ON, set the switches as in the
drawing below in advance. For details of switch setting,
refer to the item 'Front Panel''. In the case of using a pro-
be, refer to the Operation Manual attached to the probe as
well as the application example ''Probe Compensation''.
AUTO
1 ms/DIV (A)
POWER OFF
1 ms/DIV (B)
Rotate counter
CAL
clockwise up to
the very end
Three o'clock
Position
Center push
Rotate counter
clockwise up to
the very end
[A] OPERATION
AS A GENERAL-USE
OSCIL-
LOSCOPE
(1) Normal sweep display operation
AC Center
CAL
Center
Push
5 V/DIV
CH1
{ CAL Center AC
5 V/DIV
Push
is triggered. To make the channel-2 signal triggered, set
the SOURCE select switch @ to CH2.
. The display on the screen will probably be unsynchroniz-
ed. Refer to TRIGGERING procedure below for adjusting
synchronization and sweep speed to obtain a stable dis-
1. Press the POWER
switch (5 to supply power, and the
:
,
POWER
LED
lights.
play showing the desired number of waveform.
2. A bright line appears in the CRT center. If it is not in the
TRIGGERING
;
center, adjust its position to the center with the # POSI-
The input signal must be properly triggered for stable
TION controller @. Then, adjust the brightness with the
waveform observation. TRIGGERING is possible the in-
INTENSITY controller @, and the focus, with the FOCUS
put signal iNTernally to create a trigger or with an EX-
controller
as required for easy observation.
Ternally provided signal of timing relationship to the
3. Supply input signal into the CH1 INPUT jack ©. Rotate
observed signal, applying such a signal to the EXT. TRIG
the VOLTS/DIV
control @ to adjust waveform to ap-
propriate dimensions.
Set the MODE select switch @) to CH2. Then, supply in-
put signal into the CH2 INPUT connector (2. Its wave-
form is displayed on the CRT in the same procedures with
channel 1.
When the MODE select switch is set to ADD, the com-
posite waveforms of CH1 and CH2 (the algebraic sum
of CH1
+ CH2) is displayed on the CRT. In this status,
if CH2 INV is engaged by pulling out the CH2 # POSI-
TION, the algebraic difference between CH1 and CH2
(CH1
— CH2) will be displayed.
The sensitivity of the ADDed
waveform becomes the
same as the value indicated by VOLTS/DIV provided that
the same VOLTS/DIV value has been set for the wave-
forms of the two channels.
When the MODE select switch (i) is set to ALT, the
channel-1 and channel-2 waveforms are displayed alter-
nately in every sweep. Waveform of each channel is trig-
gered independently. If the MODE select switch @ is set
to CHOP, channel-1 and channel-2 waveforms through
chopped triggering are displayed. If the SOURCE select
switch @ is set to V. MODE, the channel-1 signal only
16
INPUT jack (4).
(1) The selection of a signal that serves as the trigger
signal is made using the SOURCE
switch @.
* Internal Sync
When the SOURCE
selector
is set to V.MODE,
CH1, CH2 or LINE, the input signal is connected to
the internal trigger circuit. In this positinn, a part of
the input signal fed to the INPUT jack ® or (0 is ap-
plied from the vertical amplifier to the tigger circuit
to cause the trigger signal synchronously with the
input signal to drive the sweep circuit. If ine SOURCE
select switch is set to V.MODE, the tigger signal
is selected in compliance with the vertical MODE
selector setting. (Refer to the section '(CONTROLS
AND
INDICATORS''.)
Setting the venigical MODE
selector to ALT causes independent trggger to the
channel-1 and channel-2 signals respectively, ena-
bling two signals with no time relationsti p to be ob-
served.
if the SOURCE select switch is set to C-41 or CH2,
triggering is made by the channel-1
ani channel-2
signals respectively, regardless of MODE 7 setting.
Setting the SOURCE select switch to SNE causes
synchronization with commercial powerffrequency.
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