Philips Allegiant LTC 8500 Series Instructions For Use Manual page 76

3. AutoDome series
operating in a variable speed fashion: Verify
CPU DIP switch 7 is selected for variable speed
mode.
No Alarm Response
1. No system alarms operative: Verify power LED
indicator on Alarm Interface Unit is lit. If not,
check fuses on front of main CPU bay power
supply. Verify the Alarm LED indicator lights and
the audible buzzer sounds (if enabled) only when
an 'alarm' is applied to the unit. If not, replace
Alarm Interface Unit.
2. Individual cameras/monitors
when alarmed: Ensure desired cameras are
properly armed on the appropriate armed
monitors in the system. Verify alarming device
and cable to Alarm Interface Unit intact.
3. Incorrect system alarm response: Verify that the
desired alarm response mode has been selected.
Refer to the section on Select User Functions for
instructions.
CPU Software Version Numbers
During the evolution of the system, there have been
various CPU software versions released. In certain
troubleshooting cases, Factory Technical Support
dome cameras are
not responding
not personnel may ask for the version of the CPU. If it
becomes necessary to obtain a CPU software
version number, follow the steps below:
Newer CPU Versions:
1. Using a system keyboard, an operator with a
level 1 priority can enter keyboard User Function
23. Press the User key. Enter 23 using the
numeric keypad, then press the ENTER key.
2. The CPU version numbers will be displayed on
the overlay of the monitor currently being
controlled by the keyboard. Record number for
future reference.
Old or New CPU Versions:
1. Remove front panel of main CPU bay by
loosening the four corner fasteners.
2. Turn OFF main AC power switch on power
supply.
3. CPU module is located next to the power supply.
Pull out CPU module from card cage until two
IC's containing white labels are visible. The white
labels contain copyright information and software
version numbers. Record all numbers from label
for future reference.
4. Re-install CPU module, and switch ON main AC
power.
5. Re-attach front panel.
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