ALLEN & HEATH GL4800 User's Guide download pdf (Page 46)

46 GL4800 User Guide

Technical Support

Should you have any queries about the GL4800 console automation

system please quote the console model, serial number and software version

number in any communication with Allen & Heath or appointed service agent.

The system has been designed and tested to be reliable under the harsh

conditions typical of live sound 'on the road'. Should a problem be

encountered check first that external equipment is correctly connected and

functional (or disconnected to test the console itself), that the equipment has

been correctly set up, and that the mains power is correct for the console

power unit. Error detection systems have been built in to assist with problem

investigation.

Power Up and Power Down

The console settings are remembered when power is removed

from the console. A power down circuit detects falling voltage

and writes the settings to non-volatile memory. On power up

these settings are restored. Mains power fluctuations ('brown-

outs') are detected with error code readout.

Console DC Power Indicators

The console power unit converts mains voltage to the DC

supply rails required by the console. Each rail has an

associated indicator LED on the front panel. If a power rail fault

is suspected check that these LEDs are correctly illuminated.

Note that the optional RPSD2 dual power supply monitor

includes further power supply status monitoring.

Software Version Number

Press SHIFT + PREVIEW GROUP

The software version number is shown on the snapshot

display. For example, 1.23 is version V1.23

Release the keys to return to normal display.

Soft Reset

Should the system lock up and fail to clear itself first press the

underpanel RESET button above the rear panel MIDI sockets.

This restarts the processor as if the console was powered off

and then on, except that the console may not reset to the last

active mute settings.

48V

-V

EDIT

GROUP

PREVIEW

SHIFT

SCENE

GROUPS

RESET

THRU

MIDI

OUT

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ALLEN & HEATH GL4800 User's Guide Page 46

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