19
Connectors, Indicators, Controls, and Jumpers
Description, Specifications, SS Software, and Operation Manual
Federal Signal
www.fedsig.com
Controls
The following table describes the controls on the back of the .
Table 7 Controls
V2 (TX LEVEL)
Transmit Audio Level
V3 (RX LEVEL)
Receive Audio Level
V4 (MIC LEVEL MNC)
Local Mic Input Level
V5 (MONITOR)
Monitor Speaker Level
V6 (LINE 1)
Line #1 Input Levels
V7 (LINE 2)
Line #2 Input Levels
V8 (MIC LEVEL XLR)
External Mic Input Level
Figure 3 Back of the
Connecting the Transceiver Interface
Unbalanced Interface (TB2)
To connect an unbalanced interface:
1. Connect the PTT relay COM output (TB2 pin 1) to TB10 - Ground.
2. Connect the PTT relay N.O. output (TB2 pin 2) to the transceiver and PTT input.
3. Connect the Carrier detect ground (TB2 pin 10) to the transceiver’s ground.
4. Connect the Carrier detect (TB2 pin 9) to the transceiver’s carrier detect output.
Jumper the unit to accept either active low or active high carrier detect. If the carrier
detect is not available, jumper the unit for VOX.
5. If other equipment is using this transceiver, connect its transmit audio to TB2 pin 4.
When the is transmitting, it interrupts this TX audio.
6. Connect the Transmit audio Hi output (TB2 pin 5) to the transceiver’s transmit audio
input.
7. Connect the Transmit audio Low (TB2 pin 6) to TB10 - Ground.
Jumper
Controls