Equipment Description 2-0
Revision 2 - 20 March, 1997 HP SERIES DIMMER OPERATING MANUAL
2.0 Equipment Description
2.1 Front panel layout
E Figure 2.1 (Rack-mount)
1. Channel output circuit breakers: The circuit breakers are rated at 11.5 amps
continuous, however Jands recommend the maximum load connected to a channel be
limited to 10A. If nuisance tripping occurs, enable the Preheat option (see section
4.1.4.5). See also section 5.6 for a full explanation of nuisance tripping.
2. Display: A red four digit alpha-numeric display is used to show dimmer status and
option menus.
3. LEVEL/FUNCTION encoder wheel: This detent action control knob is used to
select items from the menus, and to select the channel levels or chase rate (depending
on the operating mode).
4. DMX IN/LOOP connectors (Rack-mount only): A standard five pin AXR
connector inputs control desk DMX-512 signals and a second “Loop” connector
outputs them to other dimmers. See section 8.2 for wiring details.
5. DMX IN LED: A green LED indicates the presence of DMX signals.
6. Keypad: These switches are used to select different options and operating modes.
A red LED is associated with each switch to indicate activation of selected function.
7. PHASE LEDs: Three green LEDs (one for each phase) indicate that the three
mains supply phases are available.
8. Channel SELECT switch: These select or deselect options for each channel, or
switch a channel between “on-line” and “off-line”. If a channel is “off-line”, it will not
respond to the DMX input signals.
9. Channel STATUS LED: A bi-colour LED indicates channel status, ie.
Red = channel set for 60 or 120V output
Green = channel set for 240V output
Off = channel disabled
Orange = voltage change selected but not yet confirmed
Flashing = channel selected for changes to be made
10. DRIVE LED: This green LED indicates a control signal is being applied to that
channel.
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