72-7675
6
Caution: If there is no function test of voltage “
▲
▲
▲
▲
” or
“
▼
▼
▼
▼
”,the voltage output mode would be suggested to
switch to “OFF” status for avoiding unnecessary
mistakes occurring.
h.
If any key mentioned above is not pressed for 2 seconds
continuously, the unit will go back to the normal operation
and the voltage display could show the reading value
automatically.
Frequency Setting:
Frequency setting contents
“50Hz”, “60Hz”, “
▲
▲
▲
▲
” and “
▼
▼
▼
▼
”
four
keys.
a.
If the key “
50Hz”
or the key “
60Hz”
is pressed
,
the frequency
will be changed immediately to 50Hz, 60Hz respectively.
Meanwhile
the
output
frequency
will
be
changed
coincidentally.
b.
The frequency ranges from 45Hz to 99.9Hz can be adjusted by
0.1 Hz per step in fine adjustment mode and 1 Hz per step in
coarse adjustment mode. The frequency ranges from 100Hz to
500Hz can be adjusted by 1 Hz per step in fine adjustment and
10Hz per second in coarse adjustment mode.
c.
The other settings are the same as voltage setting.
High / Low Voltage range selection:
Press the key of
“RANGE”
, if the indicator lights, the output
voltage would be setting on the high voltage range, otherwise, the
system would be setting on low voltage range. The changed range
would not cause the setting voltage to change, however, there is a
20ms interruption during the voltage range changing. The
non-reasonable range changing (For example, the voltage sets
200V but the range is changed to the low range) is not acceptable
72-7675
7
this unit.
Note: High range voltage 0 ~ 300V
Low range voltage 0 ~ 150V
Instrumentation selection:
a.
Pressing the
“A”
key
will light the current indicator and the
LED display will show the value of current.
b.
Pressing the
“W”
will light the power indicator and the LED
display will show the value of wattage.
c.
Pressing the
“PF”
key will light the power factor indicator
and the LED display will show the value of power factor.
Output Enabled and Disabled Operation:
Press the key of
“OUTPUT”
. If the output indicator lights, the
output is enabled, and the LED display will show the output value
(reading value). Otherwise, the output function is disabled, and the
LED display will show the setting value. Press the “OUTPUT” key
again to change the mode.
Lock Function:
Press the key of “
LOCK”,
if the lock indicator lights, all the keys
are Locked (except the alarm reset). This function is good for
avoiding any mistakes of key pressed during operation. Press again
to change the mode.
Alarm Reset:
If an over current event occurs, the 72-7675 will shut down and
buzz immediately. You must press
“ALARM RESET”
to clear. In
addition, the
“OUTPUT”
key must
be pressed to return to normal
output voltage.
