Monroe Electronics 637 User Manual

Model 637 Cue Tone Instruction Sheet

Description

Monroe Electronics' Model 637
Tone Decoder allows switch
control via Cue Tones.

Settings may be enabled for use
of 1 to 4 Cue Tones. The output
may be made to latch, toggle or
provide a momentary pulse.
Input levels may vary from
–24 to +6 dB of audio.

Please refer to the instruction
manual for the 3185E for
specific switch and control
settings.

Installation

1. Remove the four screws on the
cover of the 637. Refer to the
model 3185E manual, and set
the jumpers for latching, toggling
or momentary, and the number
of digits to decode. Then set
the 3 rotary switches to the
code to be decoded.

2. Connect the device(s) to be
controlled, to the common
(COMM) and the normal open
(NO) or the normally closed (NC)
– as desired – connections on
the terminal block.

3. The connections on the terminal
block for (RELAY 1) and
(RELAY 2) are separate
contacts, but are part of the
same relay.

4. The (SET) and (RESET)
connections are used as
described in the 3185E manual.

5. Connect the power supply’s
white wire to the +12 V DC on
the 637, and the BLACK wire to
(GND).

6. Replace the board in the case,
and reinsert the screws to
secure the case top.

Specifications

Auto Input Impedance

Selectable 600Ω ± 10%
>10 KΩ balanced/unbalanced

Audio Input Coupling

AC

Audio Input Level

45 mV p~p (-34 dBmV) to 13.8 V
p~p (+16 dBmV)

Audio Input Range

-24 dBmV to 6 dBmV: adjustable
± 10 dBmV

Digit Validation Time

40 mSec minimum

Inter-digit Time

40 mSec to 3 Sec

Set/Reset Inputs

>20 µSec to 3 Sec

Relay Output

DPDT; 2A @ 30 VDC

Power Requirement

100-240VAC, 50-60 HZ input/
12VDC output
Supplied