Hitachi V-209 Operation Manual page 14

CD
POWER switch
After checking the line voltage select switch, set POWER
switch set to OFF and then connect the AC cord to AC
wall socket.
(})
POWER lamp
This lamp goes on in red when the power supply is in
ON state.
G)
CHARGE lamp
This lamp goes on in red in the battery charge mode.
When the battery is completely charged, this becomes
dim.
@)
FOCUS control
After obtaining an appropriate brightness by operating
INTENsity,adjust FOCUS until the bright line becames
clearest. Although the focus is also corrected automati­
cally when INTEN is rotated, the focus is sometimes
slightly shifted.
@
TRACE ROTATION control
Used to align the trace of CRT with the horizontal
graticule.
@
INTENsity control
Works as the brightness adjustment. Brightness is increas­
ed by rotating INTENSsity clockwise.
JO
(j) Power source select switch
Used to select the power sources.
AC Operated with the AC power source
DC Operated with the
power source
® Power mode select switch
Used to select the power mode.
See Selection of Power supply mode.
<CAUTION>
Do not set the Power mode select switch to the BATT
CHARGE except charging batteries.
EXT DC INPUT connector
®
See External DC operation.
(2) Controls of vertical deflection system
@
CH 1 INPUT connector
B C connector for vertical axis input
The signal input to this terminal becomes the X-axis sig­
nal when the instrument is used as an X- Y oscilloscope.
AD-209 or external DC