CONVENTIONAL FEATURES

Busy

Indicator

BUSY

Monitor Mode

There may be times when the Busy indication is displayed even though no one is using the channel. Monitoring should then be performed using the monitor mode. This mode is enabled and disabled by pressing the Monitor option switch (see page 35), and is indicated by in the display as shown in the following illustration. When the monitor mode is selected, both Call Guard squelch (see page 51) and scanning are disabled so that any activity on the group is heard.

Monitor Mode

Selected

A conventional system must be selected to enable monitoring. If the Monitor option switch is pressed with an LTR-Net or LTR system selected, scanning halts but monitoring is not enabled. If the monitor option switch is not programmed, the monitor mode is not selectable and monitoring is performed automatically as follows.

Transmit Disable On Busy

The Transmit Disable On Busy feature automatically disables the transmitter if the selected group (channel) is busy and it has not been monitored when the PTT switch is pressed. When the transmitter is disabled by this feature, the busy tone sounds briefly and “DSBL BSY” is indicated in the display as follows:

50

Page 49
Image 49
EFJohnson 7243 LTR-Net Portable UHF manual Monitor Mode Selected, Transmit Disable On Busy