PTE-300-V
Sheet 22
g) Output range selection indicators
They are four red LEDs of 3 mm located below the output taps. These
indicate the selected output range, in voltage or current.
These ranges are selected by pressing the
TAP I/V
key.
h) Alarm indicators
There are two, 3 mm LEDs (red) which indicate the status of the two alarms
for the output of PTE-300-V. They are as follows:
1. Ovl: this LED indicates an overload in the output, whether it is current or voltage. When
it is lit, the output will cut off and the display will begin to flash for 5 seconds. During this
time it is possible to reset the output by pressing the ON/OFF button.
2. Th: this LED indicates an internal thermal overload, (temperature overload). When this
alarm is on, the LED will light up, and the output will cut off. While this LED is on it is not
possible to work with the unit and the operator must wait until the internal temperature
lows.
NOTE:
When the thermal alarm is lit, turn off the unit for at least 1/2 hour.
3.3.1.3. TAPS: Output taps
These taps are situated in the upper central part of the unit and
consist of 3, 4 mm female connectors. With the unit two testing
cables are supplied, which are used with these taps.
