User's Manual

RHOTHETA User Manual RT-800
Page 42 of 78
ATTENTION: Please verify correctly adjusted squelch level for set monitoring (see 6.3), for
possible noise signals might release alert, thus delaying further monitoring operation.
6.5 Activating Standby Operation
• Open dialogue window using key
Monitor / Stdby.
.
• Key F4 PLB will activate PLB standby operation
The display gets dark and the emergency frequency 121.500 MHz is further on
controlled in the background.
The standby operation is indicated by the fast flashing monitoring LED.
Additionally, the ID-only ON/OFF LED is blinking.
Because there is no scanning necessary, this mode is useful for a fast reaction
for PLB/ELT alarms transmitting on 121.500 MHz.
• Key F5 SAR will activate SAR standby operation.
The display gets dark and the emergency frequency 121.500 MHz and Cospas-
Sarsat frequencies are further on controlled in the background.
The standby operation is indicated by the monitoring LED. This LED slowly
flashes 3 times with a short break afterwards. Additionally, the ID-only ON/OFF
LED is blinking.
Fig. 28 Activation of Standby operation
Deactivating Standby operation
• Press any key for re-activating the display.
• If an alarm is recognized during standby operation, the system will activate the display
automatically. The alarm flag will indicate frequency and duration since release of alarm.
• If an operating error is recognized during standby operation, the display will be activated.
An error message will be put out.