User's Manual

11
5. Press the function key that corresponds to the MDM VOL text. On the
main MDC screen, you will see square brackets appear around the LEVEL
numbers. These square brackets indicate that the MDC is transmitting
mark tone.
6. Key the microphone of the mobile radio.
7. Using the service monitor, determine the amount of deviation in kHz of
the channel. We want 2.5 kHz deviation.
Note: Since the MDC does not control the PL Inhibit leads during this
test, any deviation due to PL (private line) Tones on your system must
be added to the 2.5 kHz. For example, if PL Tone deviation is 0.5 kHz,
then you must have a total of 3.0 kHz of deviation on the channel.
8. If the channel deviation on the service monitor is not 2.5 kHz, then use
the up and down arrow keys on the MDC to change the value of the
number in square brackets (see below).
9. Increasing the number in the brackets (up arrow) will increase the
deviation measured on your service monitor. Decreasing the number
(down arrow) will decrease the deviation.
10. Once the deviation is approximately 2.5 kHz on the service monitor, hit
ENTER on the MDC.
11. The new transmit level is now set in the MDC. Write down the new
number for future reference, along with the MDC serial number.
12. Press EXIT to get back to the main menu.