Operator`s manual

Installation
4-3
DC Control
This 9-pin connector lets you select any of the first four front panel memory locations by grounding
(earthing) any one of the four pins (DC Control). An indication of the selection of one of the first three
memories is given by the grounding of three other pins (refer to the following table).
Pin Description
1 Recall memory 1
2 Recall memory 2
3 Recall memory 3
4 Recall memory 4
5 Alarm out (AVM-510A)
6 Memory 1 out
7 Memory 2 out
8 Memory 3 out
9 Ground (earth)
Alarm (AVM-510A)
For the AVM-510A, pin 5 (alarm out) is dedicated to an alarm. Each time a screen shows an out-of-
tolorance condition, this pin goes to ground (earth) if MASTER ALARM is enabled and after a delay is
set in the MASTER ALARM DELAY menu option.
Analog Audio Inputs (AVM-510A)
Provides an input of 4 single-ended audio signals from selected inputs through a 9-pin D-sub
connector.
Pin Number Description
1 Analog input 1+ (balanced)
2 Analog input 2+ (balanced)
3 Analog input 3+ (balanced)
4 Analog input 4+ (balanced)
5 Ground
6 Analog input 1- (balanced)
7 Analog input 2- (balanced)
8 Analog input 3- (balanced)
9 Analog input 4- (balanced)
Analog inputs 1 through 4 are two-wire inputs.