Crown FM1000A, Руководство пользователя

Страница: 19 / 64

3–3 Operation
Illustration 3–3 PS1000 Front Panel Functions
8. Check the PA1000 parameters with the Digital Multimeter for a current (Tot
Current) of 20 to 30 amps and a voltage (PA Voltage) of 25 to 35 volts. If
parameters are within range, increase the Local Power Adjust to the maxi-
6. Before power-up, place the Local/Remote switch (located on the Metering &
Control board behind the front panel) in the Local position and adjust the
output power limit to the mid-level position using the Local Power Adjust,
also on the Metering & Control board (see Illustration 3–2 below). The unit is
normally shipped with this setting. See Section 2.6 for setting up remote
operation and using the on-board remote buttons and other controls.
7. Turn on the main power switch located on the front panel of the power
supply. (The unit typically takes 30 seconds to power up.)
®
Power
I
O
Power Switch
Air Intakes/Filters
Illustration 3–2 Local Power Adjust and Other Controls
Local/Remote
Slide Switch
On-board Remote
Power Adjust
Buttons
Local Power Adjust
Pot
mum level of desired operation.
Note: The Local Power Adjust pot is unconventional (CW lowers power).
9.Using an external remote control unit connected to the Remote I/O connector,
adjust the PA1000 to the maximum power set by the Local Power Adjust.
(This prevents adjusting to higher than permitted power levels.)