Harris Atlas DVL400, Technical Manual

Page: 46 / 180

2-16 888-2473-001 2/25/03
WARNING: Disconnect primary power prior to servicing.
Section 2 Installation / Initial Turn-On ATLAS Series™
Check the Low Voltage power supplies and AC Mains voltage. Press the
POWER SUPPLY button then PS METERS to access the PS metering screen.
Check for +15, -15 and +7.5 volts on LV PSU 1 and optional LV PSU 2, with the
BUS voltage slightly lower. The AC Mains should read close to your measured ac
voltage. Press BACK to return to the Power Supply screen.
Figure 2-5 Power Supply Metering
NOTE:
The PA PS readings should be zero and will be
shown as OFF on the main Power Supply screen.
They are only active after the transmitter ON button
is pressed. Do not press the transmitter ON button at
this time.
Press the PS FAULTS button to check for power supply faults. There should be
NO red indications or faults present. If a fault is present, see Section 6, Diagnostics
for more information.This screen is shown in Figure 3-27 on page 3-24.
NOTE:
A common fault is a 3 phase sequence fault, indicating the 3 phases have
been connected in the wrong sequence. If this is present, remove all power
from the transmitter and switch any 2 wires on transmitter disconnect switch
S3 or at the wall disconnect.
Customise the transmitter System Setup. Press the SYSTEM button then enter
the default password - 1895. Then press SYSTEM SERVICE and SYSTEM
SETUP. The System Setup screen displays the settings for station name, model
number, nominal output power, etc. Touch the screen at each field to enter the data
pertinent to the site. Once all the correct information in this screen has been entered,
press the CONFIG button. This screen is shown in Figure 3-38 on page 3-33.
PA PS: Readings
will be zero at
this time.
Any Power Supply
faults would cause
this icon to turn red