AT7016
User Manual
6
3.2 FUNCTIONS OF CONTROL SWITCHES
NO. SWITCHES
FUNCTIONS
1
POWER SWITCH
Power on/off
2
POWER LIGHT
Lights when power on
3
INTENSITY
Controls brightness of display
4
FOCUS
After obtaining appropriate brightness with INTENSITY, adjust
FOCUS for clearest line
5
CALIBRATION
Provide symmetric square wave for 0.5V range,
frequency=1KHz. Used for adjusting 10:1 Capacitor and
adjusting the vertical & horizontal sensitivity.
6
TIME/DIV
Selects the sweep rate
7
Horizontal POSITION
Horizontal positioning control of trace on the screen
8
HORIZONTAL VAR
Provides continuously variable sweep rate, turn clock wise to
the end is the calibrating position
9
LEVEL
Control signal trigger to sweep at certain level
10
+/-
TV
+: Triggering occurs when trigger signal crosses trigger
level in a positive-going direction.
-: Triggering occurs when trigger signal crosses trigger
level in a negative-going direction
TV: used to show TV signals
11
AUTO/NORM
EXT/X: X-Y
AUTO : a single trace shown on screen even no signal.
Automatically reverts to triggered sweep
operation when adequate triggered signal is
present. Needs to adjust the Level.
NORM: No trace on screen if no signal. Trace is only
generated when adequate trigger signal is present
EXT/X: X-Y switch
12 INT/EXT/LINE
Switch to select the Trigger Source INT/EXT/LINE
13 Ext. Trig Input Terminal
When switching [11] to EXT/X, it’s X-Y input terminal; When
switching [12] to EXT, it’s Ext. Trig. Input terminal.
14 ATT
Continuously adjusting X-Y mode sensitivity, turn clockwise to
obtain the highest sensitivity
15 VOLTS/DIV
Adjusting sensitivity of vertical system
16 Vertical POSITION
Control vertical position of trace on the screen
17 VERTICAL VAR
Continuously adjusting the sensitivity of vertical system, turn
clockwise to the end is the calibration position
18 coupling options (AC
⊥
DC)
Selects input coupling options
19 INPUT
Vertical input terminal
20
POWER INPUT CONNECTOR
AND FUSE
power input connector (refer to the rear panel for voltage)
110V
±
10% , 220 V
±
10%;
