Status LED’s, Comm LED’s, Clip/Limit LED’s

present Bank. It may also be necessary to do a wake-up upon any power-up of the 1788A- R.

During wake-up, the Comm indicators will show activity with units that respond to handshaking. After handshake and during test, Status LED’s will temporarily appear yellow for all units present and responding. All units that are properly communicating will develop green Status LED’s. Selections with no corresponding units present will display blank (dark) Status LED’s.

The wake-up cycle time is about 1 to 8 seconds depending on how many units are on line. It can be initiated at any time without disrupting the network or causing the preamp units to malfunction.

3.2.3 Status LED’s

This row of tri-color led’s (red, yellow, green) indicates the status of the R/C link to 1788A’s

Table 3-1. Status LED’s

Color		Action

	Wake-up		Preset Load

Green	OK		Loaded, OK

Yellow	Transacting		Mismatch*
Red	Unit Found But		Unit Missing
	Improper Response
Dark	No Unit Found		No Unit Present
			No Unit Expected

	*Explained under 3.2.8

under varying conditions as shown in the following table.

3.2.4 Comm LED’s

These single-color red LED’s show when commands are being sent to each of the sixteen units. They do not show unit responses.

3.2.5 Clip/Limit LED’s

These single-color red LED’s flash whenever any one or more of the 1788A’s clip or limiter lights flash. The light is held for a long enough time to hopefully gather the attention of the operator. The holdover time can be adjusted by a hidden (secondary) function of the 1788A-R.

Changing the Holdover Time

To change the holdover time, press Both	Table 3-2. Clip/Limit LED Holdover Codes
Tone Buttons and the Ch 6 button then
Tone Buttons and the Ch 6 button then	Code	Function
release. This will attach the Adjust dial to	CL01	Hold 1 Second*
the holdover setup. The preset display	CL02	Hold 2 Seconds*
window will now show CLXX, where	CL03	Hold 4 Seconds*
XX will be from 01 to 05. These codes	CL04	Hold 8 Seconds*
XX will be from 01 to 05. These codes	CL05	Hold until cleared by pressing
represent various Clip/Limit holdover	CL05	Hold until cleared by pressing
represent various Clip/Limit holdover		any Unit Select button.
options according to the following table.		any Unit Select button.
options according to the following table.	*If occurs on unselected unit, light holds until selected.
You can change this number by rotating	*If occurs on unselected unit, light holds until selected.
You can change this number by rotating
the Adjust dial. To escape from this control, press CH 6 again.

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