Monroe Electronics 948A - Manual (Page 16)

15
NUMBER OF DIGITS J6 J5 RELAY OUTPUT MODE J3 J4
1 X X LATCHING O O
2 X O MOMENTARY X O
3 O X ALTERNATE O X
4 O O 20 MINUTE LATCH X X
X = JUMPER INSTALLED
O = JUMPER REMOVED
R12 = INPUT SIGNAL LEVEL RANGE ADJUSTMENT
JUMPER OPEN SHORTED
INPUT IMPEDANCE J2 10k
Ω n
600
Ω
INPUT TERMINATION J1 BALANCED UNBALANCED
n
5 MINUTE RESTORAL J7 ENABLED
n
DISABLED
20 MINUTE RESET J3, J4 DISABLED
n
ENABLED
n
= FACTORY SETTING
FIGURE 3
Jumper Locations
Input Impedance:
Input impedance may be either 10 k
Ω
or 600
Ω
. The J2 jumper determines the input
impedance of the 3185E. Install a jumper at position J2 to terminate the audio input in 600
Ω
.
Consult FIGURE 3 for the J2 jumper location.