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Users Manual
26
Auto Ramping the mA Output
Auto ramping gives the ability to continuously apply a
varying current stimulus from the meter to a transmitter,
while hands remain free to test the response of the
transmitter. Select either sourcing or simulating by
choosing the SOURCE or SIMULATE jacks.
When the rotary function switch is in the OUTPUT
Ymonp position, and the output jacks are
connected to an appropriate load, the meter produces a
continuously repeating 0 % - 100 % - 0 % ramp in a
choice of four ramp waveforms:
m 0 % - 100 % - 0 % 40-second smooth ramp
(default)
o 0 % - 100 % - 0 % 15-second smooth ramp
n 0 % - 100 % - 0 % Stair-step ramp in 25 % steps,
pausing 15 seconds at each step. Steps listed in
Table 10.
p 0 % - 100 % - 0 % Stair-step ramp in 25 % steps,
pausing 5 seconds at each step. Steps are listed in
Table 10.
The ramp times are not adjustable. Press J (Blue) to
cycle through the four waveforms.
Note
At any time during auto ramping, the ramp can
be frozen simply by moving the rotary function
switch to the mA [ position. Then the COARSE,
FINE, and % STEP adjust pushbuttons can be
used to make adjustments.
Power-Up Options
To select a power-up option:
1. Push and hold the pushbutton shown in Table 11.
2. Turn the rotary function switch from OFF to the
position listed in Table 11.
3. Wait 2 seconds before you release the pushbutton
after powering up the Meter.
The setting for current span, backlight, and beeper is
retained when the power is turned off. You must repeat
the other options for each operating session.
30


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