Whelen Engineering Company E-2010, Operation & Installation Manual

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5. Remove the two upper Phillips Head screws from each side and three from the back of the unit to
access the circuit board.
Slowly lift the cover off, trying not to pull any of the connections apart.
Locate the jumpers and adjustment potentiometers in the center section of the circuit board.
6. The Squelch signal and the Channel Grant signal (Channel Grant is for trunking radio
transceiver only) may be active high or active low. The active state must be set by two jumpers,
inside of the E-2010. The settings must be made for both channels, if both are in use. Determine
the active state of the radio transceiver Squelch signal, and the Channel Grant signal (if
applicable) and set the jumpers, as shown to the right. Place the jumper in the “H” position for
active high or “L” for active low. Factory settings are active high.
7. Plug the AC wall mount into a 115 volt AC source.
8. Set the DTMF Transmit Audio Level , for Channel 1 . With the E-2010 on, Send the CANCEL
Command to siren address 0001. While the tone is transmitting, adjust the level potentiometer
for 2.5 KHz deviation. Repeat this step as needed to adjust the level. Repeat for Channel 2, if
required.
9. Set the Microphone Level , for Channel 1 . Plug the microphone into the MIC jack. Key up the
microphone and adjust the Microphone Level potentiometer for 4 KHz deviation, while speaking
into the microphone.
Note: The microphone is not included. Refer to Model WPSNCMIC, part # 01-0245719-00.
10. Receive Audio Level is factory set for an input signal of 0 to -10dB.
11. The speaker volume potentiometer is located through the small access hole on the right side of
the E-2010.
Located at the left rear of the E-2010 is a security keylock . Turning the key off will disable all keyboard
entries.
JP4
JP3
JP2
JP1
CHANNEL
GRANT
HI
LO
HI LO
SQUELCH
LO HI
LO
HI
CHANNEL
GRANT
SQUELCH
MICROPHONE LEVEL
CHANNEL 2
RECEIVE AUDIO LEVEL
TRANSMIT AUDIO LEVEL
CHANNEL 2
CHANNEL 2
TRANSMIT AUDIO LEVEL
CHANNEL 1
CHANNEL 1
RECEIVE AUDIO LEVEL
MICROPHONE LEVEL
CHANNEL 1
JUMPER and ADJUSTMENT
LOCA TION
+=cw
+=ccw
+=ccw
+=ccw
+=ccw
+=cw
CHANNEL2
CHANNEL1