PTE-300-V
Sheet 15
clockwise or anti-clockwise by one digit per step, according to the selected digit weight as
described previously.
This knob has no end and can be controlled at any speed. However if the control knob is turned
very fast the value will change at a maximum rate of 1 digit per second.
3.2.2. DISPLAYS AND OPTIC INDICATORS
3.2.2.1. Function MODE indicators
These two 3mm LED (red), one will always be lit and indicates the frequency mode
function that is actually selected.
They are associated with the press key MODE.
3.2.2.2. Ramp indicators
They are six 2 mm red LEDs, which indicate the situation of the ramp, in the
selection level and when it is active. They have 2 different function modes:
1. Permanently lit: this indicates the selection mode. In this situation the operator can select
new values, which will be shown in the frequency display. At this stage the selected values
are not in the output. The relationship between the LEDs and the parameters that can be
selected is as follows:
LED 1:
Indicates that the initial value of the first ramp can be selected. The value will be
shown in the display in Hz.
LED 6:
Indicates that the
Start Chrono
frequency value can be selected. The value will be
shown in the display in Hz.
LED 2:
Indicates that the frequency slope (rate of change) for the 1
st
ramp, from the initial
to the final value can be selected. It is in Hz per second, (Hz/s). If 0 is selected the
equipment will go directly (step) to the final value.
LED 4:
Indicates that the final value of the 1
st
ramp can be selected. The value will be
shown in the display in Hz.
LED 3:
It indicates that you can select the time duration in which the unit will remain in the
final value before starting the 2
nd
ramp. This value will be shown in the display in
seconds (s). When 0 is selected the unit will maintain the final value indefinitely.
LED 5:
Indicates that the frequency slope (rate of change) for the 2
nd
ramp, from the final
to the initial value can be selected. It is in Hz per second, (Hz/s). If 0 is selected
the equipment will go directly (step) to the initial.
These LEDs are associated with the press key SET.
