Raymarine RC520, Owner'S Handbook Manual

Page: 35 / 218

Chapter 2: Getting Started 21
After 70 seconds, when the magnetron warm-up sequence is complete, the
Standby screen is displayed, with the text
STANDBY
and a prompt to press the
POWER
key to enter Transmit mode.
➤
To switch the radar scanner from Standby mode to Transmit mode, press the
POWER key.
The scanner transmits pulsed energy while it rotates, and the antenna sweep
builds up the radar picture using echoes returned from targets.
➤
You can switch on and adjust the display backlighting and contrast, if required,
as described later in this chapter.
➤
To switch to Standby mode, press the
POWER
key.
The display returns to the Standby screen, and the scanner transmission and
rotation stops.
➤
To use Scanner off mode:
1. Ensure that the radar is in Standby mode, warming up, or (if the unit is a
Repeater) displaying a message that radar data is not available.
2. Press the CLEAR key. The message STANDBY. RADAR DATA NOT
AVAILABLE
appears in the radar picture. The scanner is powered down and
the timer, if running, is cleared.
To return to radar operation, press the
POWER
key. The warm-up countdown is
displayed and the radar goes into Standby mode. You press POWER again to
switch to Transmit mode when required.
Switching the
Display On/Off -
Radar Mode