Specifications

Advanced Operations
The DIP Switches – Location and Function
There are eight small switches located on the top of the unit that are accessible with a small screwdriver or pin
The default position is with all switches set to the off position. The switches serve the following functions.
Switch 1 Selects the termination of the SYNC-S/PDIF BNC connector located on the back of the AD-1000
Off Sync/SPDIF input is bridged with > 5kΩ
On Sync/SPDIF input is terminated with 75Ω
Switch 2, 3 and 4 Select the oscillator level output and –12 LED Threshold.
(The related Front Panel LED will light when in Oscillator mode.)
Level Below dB Full Scale Switch 2 Switch 3 Switch 4 LED Display
20 Off On Off Left –12
18 Off On On Left –2
16 On Off Off Left Over
15 Off Off Off Right Over
14 On Off On Right –12
12 On On Off Right –2
0 On On On All On
Audio Black Off Off On All Off
Switch 5 Selects the polarity of the Analog XLR Inputs
Off Pin 2 Hot (Pin 3 LED off*)
On Pin 3 Hot (Pin 3 LED on*)
Switch 6 Selects the UV22 Process Level (Appendix I, page 46 has more information regarding this selec-
tion)
Off Normal*
On Low*
Switch 7 Selects which gain potentiometer controls the microphone input level.
Off Front Panel Knob
On Multi-turn Calibration Pot
Switch 8 Selects which gain potentiometer controls the line input level.
Off Multi-turn Calibration Pot
On Front Panel Knob
*To differentiate between Pin 2 and Pin 3 Hot while in Low UV22 Mode, the following will occur: When Low
UV22 and Pin 3 Hot are set, the LED will turn OFF quickly every second or so. With Low UV22 and Pin 2 Hot,
the LED will turn ON quickly every second or so.
AD-1000 Operating Manual
Page 31