Time [Hh:mm:ss]; Tot [On/Off, 1-255]; Tx [Xxxx] - GE MDS 4790M Installation And Operation Manual

MDS 05-3628A01, Rev. B

TIME [hh:mm:ss]

This command sets or displays the time in 24-hour format. The accuracy of the
date and time are important, because event codes are "stamped" with the date
and time. (Also see "DATE [mmm dd yyyy]" on page 33.)
Enter the command without any parameters to display the time. Enter the
command in the following format to reset the time:
TIME hh:mm:ss
where hh is a two-digit number from 00-23 representing the hour ("00" is
12:00 am; "12" is 12:00 pm, and "23" is 11:00 pm), mm is a two-digit number
from 00 to 59 representing the minute, and ss is a two-digit number from 00 to
59 representing the second.

TOT [ON/OFF, 1-255]

The Transmit timeout Timer limits the time that a radio can remain
continuously keyed. If a radio remains keyed for longer than the timer
duration, the transmitter is automatically de-keyed. The radio must then see a
transition back to the de-keyed state before a new keying request is allowed.
The command entered without a parameter displays the timer value in seconds.
TOT
To enable the timer, enter
default is .
TOT ON
To set the timer value, enter the
ranging from 1 to 255 (seconds). The default is 30 seconds.

TX [xxxx]

This command displays or changes the radio's transmit frequency. Normally,
the radio will be shipped to the customer programmed with the
customer-specified frequency. If the operating frequency was not specified
when the radio was ordered, the TX frequency is set to the centre of the radio's
operating band (see Section 2.6, Model Number Codes, beginning on page 6
for the model's operating band).
As a convenience, Table 16 at the back of this manual lists the transmit
frequencies assigned to the UK fixed telemetry and telecontrol radio services
(at the time of publication). Users are responsible to ensure their equipment is
operating on the frequencies authorized by the station licence.
NOTE:
If the radio is equipped with a duplexer, and the frequency is
changed more than 100 kHz, the duplexer must be re-tuned or
replaced. Contact the factory for assistance.
MDS 4790M (MPT 1411) I/O Guide
Set Time screen, page 60
Transmit Timeout screen,
page 55
Transmit Timeout Duration
screen, page 55
. To disable the timer, enter
TOT ON
command followed by a parameter
TOT
Transmit Frequency screen,
page 53
. The
TOT OFF
43