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4-1 Front Panel
1
Power switch:
ON/OFF the power
2
Output standby:
After power on, there are no voltage cross the terminals.
Press this button, output LED on, unit has power out.Repress this
button, output LED off, output voltage cross the terminals is zero, unit is on
standby mode.
3 Output standby indicator: see above.
4 C.C. indicator:
lights when the supply is in the constant current operation.
5 C.V. indicator:
lights when the supply is in the constant voltage operation.
6 Voltmeter:
lndicates the output voltage.
7 Ammeter:
lndicates the output current.
8 Voltage Coarse:
for coarse adjustment of the output voltage.
9 Voltage Fine:
for fine adjustment of the output voltage.
10 Current Coarse:
for coarse adjustment of the output current.
11 Current Fine:
for fine adjustment of the output current.
12 " + " Output terminal:
positive polarity
13 " GND" terminal:
earth and chassis ground
14 " -" Output terminal:
negative polarity
15 Fixed 5V/1A "+" output terminal
16 Fixde 5V/1A"-"output terminal
9
4. PANEL CONTROLS AND INDICATORS
a .30V3A/30V5A/60V3A Front panel:
7
6
LABORATORY DC POWER SUPPLY
10
CURRENT
VOLTAGE
11
C.C.
C.V.
FINE
FINE
COARSE
COARSE
OUTPUT
4
-
+
-
+
POWER
GND
ON
OFF
5V
1
16
15
14
13
12
b .30V3A/30V5A/60V3A Rear Panel:
9
8
5
3
2
19
17
18
6
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