3-4
Part No. 001-2100-XXX
Rx De-emphasis
Since data equipment normally requires a flat audio response, the default value for Rx De-emphasis is disabled
(unchecked). With Rx De-emphasis disabled, the JSLM2 provides a 300 - 2500 Hz +1.5/-3 dB flat audio response.
When the Rx De-emphasis is enabled (checked), data output is passed through a 300 Hz - 3000 Hz filter and a 6 dB
per octave de-emphasis response.
Tx Pre-Emphasis
Since data equipment normally requires a flat audio response, the default value for Tx Pre-emphasis is disabled
(unchecked). With Tx Pre-Emphasis disabled, the JSLM2 provides a 300 - 2500 Hz +1.5/-3 dB flat audio response
before the limiter. When Tx Pre-Emphasis is enabled (box checked), the JSLM2 provides 300-3000 Hz filtering
and a 6 dB per octave pre-emphasis response before the limiter.
RSSI Analog Out
The default value for the RSSI Analog Out is disabled (unchecked) which provides Squelch Disable (from J204,
Pin 11). When the RSSI Analog Out is enabled (checked), J204 - Pin 11 is switched from Squelch Disable to a
Receive Signal Strength Indicator (RSSI) DC voltage.
LED Enable
The default value for LED Enable is enabled (box checked). If unchecked, the LEDs are disabled.
Logic Levels
Logic Levels allows the user to select the polarity of some pins on the data interface connector. The Carrier Detect
(CD), Ready to Send (RS) and Push to Talk (PTT) polarity is programmable as Active High or Active Low.
Level Adjustment
Level Adjustment allows the user to program the Transmit Deviation Input, Rx Aux Out and Rx Audio Out levels.
Checking the Default checkbox will enable the default value for this setting.
3.2.2.2 RADIO TAB
The Radio tab allows user programming of radio operating parameters.
Table 3-1 LED Functions
Color
Indicates
Continuous Green
Unit has DC power
Continuous Red
Unit is transmitting
Continuous Amber
Unit has Receive Carrier Detect
Flashing Green
Unit DC power exceeds 15 Vdc
Flashing Red
Unit internal temperature exceeded 85 degrees C
Flashing Amber
Unit VCO/synthesizer is unlocked
