Motorola MT2000 manual Rx Emphasis, Tx Emphasis, Tx Deviation

CHANGE/VIEW MTSX RSS

Rx Emphasis

Use the UP/DOWN arrow keys to enable receive de-emphasis on this personality. The choices are Enabled and Disabled.

Pre-emphasis - Amplifies the higher frequencies so when they are transmitted the signal-to-noise ratio is better.

De-emphasis - Reverses the pre-emphasis after the signal has been received. The factory default is Rx de- emphasis Enabled.

Tx Emphasis

Use the UP/DOWN arrow keys to enable transmit pre-emphasis on this personality. The choices are Enabled and Disabled.

Pre-emphasis - Amplifies the higher frequencies so when they are transmitted the signal-to-noise ratio is better.

De-emphasis - Reverses the pre-emphasis after the signal has been received.

The factory default is Tx pre-emphasis Enabled.

Tx Deviation

Use the UP/DOWN arrow keys to select the Transmitter Deviation for this personality. The choices are:

2.5KHz - 900 MHz Band (12.5 KHz Channel Spacing)

4.0KHz - 821 MHz Band (20 KHz Channel Spacing)

5.0KHz - VHF, UHF and 800 MHz Bands (38/25/25 KHz Channel Spacing)

This is the maximum amount that modulation can cause the carrier to deviate from its unmodulated frequency.

NOTE

Secure/Clear Strapping (Conventional Secure Personality Menu) is forced to "clear" if 12.5 KHz is selected.

6-100 68P81074C50