Home
/
Midian Electronics
/
MTSD-3
/
Manual

Midian Electronics MTSD-3, Manual

Share

1
2
3
4
5
6
7
8
9
10

Page: 10 / 10

Midian Electronics MTSD-3 Manual Download Page 10

«
...
8
9
10

Summary of Contents for MTSD-3

Page 1: ...MTSD 3 Two Tone Decoder Manual Revision 2010 08 27 Hardware Revision s 165C 1...

Page 2: ...e timing circuitry of U3A through U3E U3F is the 2400 Hz alert tone oscillator and is held off by a low from U3E until decoding Upon decoding the output of U3E is also sent to U2C and the resulting hi...

Page 3: ...Orange White Monitor 2 Input Connect to a point in the transmitter that goes high when PTT is tapped or depressed This will unlatch U2 C and the squelch outputs for channel monitoring When finished w...

Page 4: ...se the value of R 25 to decrease the time R 29 controls the acquisition timing for the B tone and is affected in the same way as R 25 OPERATION Decode Upon decoding of the proper 2 tone sequence the f...

Page 5: ...re from the second MTSD 3 to the emitter leg of Q3 on the first MTSD 3 3 Connect the Horn Output wire P1 10 Gray White wire on the first MTSD 3 to the desired relay or equipment 4 When both units deco...

Page 6: ...This page intentionally left blank...

Page 7: ......

Page 8: ...This page intentionally left blank...

Page 9: ......

Page 10: ......

Reviews:

No comments

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands