Instruction manual

ACU-1000 Operations Manual
6-11
6.2 LE-10/20/30/40
The LE series local extensions are designed to provide remote control of transmit and receive
audio including PTT from a distance of up to 1000 feet. They are available in four
configuration housings as follows:
 LE10: Telephone style unit with handset.
 LE20: Desktop Console with desk microphone.
 LE30: Desktop Console with built in electret condenser microphone.
 LE40: Desktop Console with gooseneck microphone.
6.2.1 Dip Switch Setting for LE-10/20/30
This dipswitch is located on the rear of the unit. Jumpers are located internally. See remote
control manual.
Table 6-1 LE10/20/30/40 Switch Settings
Switch # ON OFF
1 Low impedance load to radio RX
out.
High impedance load to radio RX out. *
2
OPTION-Latched F1/F2 output.
OPTION-Latched F1/F2 output. *
3 Monitor on front panel PTT. * Do not monitor on front panel PTT.
4
Speaker mute on any PTT.
Depends on setting of JP15. See below.
5 Boosts level of parallel TX audio
received.
Normal
6
Low impedance radio mic input. *
Low impedance radio mic input.
7 High-level RX audio from radio. * High-level RX audio from radio.
8 For ground referenced RX audio
from radio. *
For non-ground referenced RX audio
from radio.
NOTES:
* Indicates default position.
SW4
ON IN
JP15
ON OUT*
OFF IN
OFF OUT*
Mute on any PTT
Mute on any PTT
Mute on local PTT
No mute on any PTT