Document No. 8128000560
Software Revision – N1B (07 Oct 04)
7-77
RT-9000 B
When the Sounding Timer Display first appears, the blinking cursor will be positioned in the minute units (or
right-hand most digit). Rotate the ‘TUNING’ dial to select any digit between ‘0’ and ‘9’. Once the desired digit
appears in the first position, depress the ‘<-- CURSOR’ key at 6 to move the blinking cursor to the minute
tens position (or left-hand most digit).
Once the time interval has been selected, depressing the ‘ENTER’ key at 9 , will return the display to that
shown in Figure 7.3.4.21. Depressing ‘END’ once again returns the display to that shown in Figure 7.3.4.13.
Depress the ‘RX-ALE’ key at 4 to enter ALE RECEIVE mode. The RT-9000 B must
be in ALE RECEIVE
mode for the Automatic Sounding capability to operate. Sounding signals will now be automatically
transmitted on each frequency in order, unless the equipment is in the process of linking or is already linked.
Once a Sounding transmission has been completed, it will automatically repeat at intervals determined by the
preceding Sounding Timer entry. Automatic Sounding may be disabled by entering a Sounding interval of ‘00
Minutes’ in the Sounding Timer. The length of time until the next Sounding transmission may be checked as
follows:
1. While the RT-9000 B is in ALE RECEIVE mode, depress the ‘MORE’ key at 10. The Feature Menu
Display will change to that shown in Figure 7.3.4.20.
2. Depressing the ‘SOUND’ key at 2 will cause the Feature Menu Display to change to that shown in
Figure 7.3.4.21.
3. Depress the ‘TMR-DSP key at 11. The time to next Sound will be given in a message that appears in
the Operational Display. This message will appear as follows:
'XX TIME INTERVAL'
Where, XX = Current Sounding Timer Setting
4. Depressing the ‘END’ key at 4 will cause the Feature Menu Display to revert to that shown in Figure
7.3.4.13.
7.3.4.6 NET CALL
The NET CALL calling method calls all Network stations on a single frequency (or Channel) during the same
call. A NET CALL expects responses from all Network Stations that hear the call.
7.3.4.6.1 Transmitting a NET CALL
Depressing the '*'/'ALE' key will cause the Feature Menu shown in Figure 7.3.4.13 to appear. Select the desired
Calling frequency (Channel) by rotating 'TUNING' knob until the desired is viewed.
Depress the ‘MORE’ key at 10 as shown in Figure 7.3.4.13. The Feature Menu Display will change to that
shown in Figure 7.3.4.14. Depress the ‘NET-CALL’ key at 12. The system will begin calling all Network
stations. The Operational Display will change to that shown in Figure 7.3.4.25.
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