Instruction Manual

28 RA51/52/53/54/55 INSTRUCTION MANUAL – 05

5.3 Basic Operations ______________________________________

xxx

= Keys to press

5.3.1 Turning On and Off

POWER

Press the "POWER" key to power on. The 2 (or 3)-minute timer

and "RADAR OFF" are displayed. After an initial 2 (or 3)-minute

warm-up sequence, the radar will go into standby mode. "STBY"

will be displayed on the screen. To power off, press and hold the

"POWER" key for more than 3 seconds.

5.3.2 Transmitting

POWER

Press "POWER" momentarily

and the radar picture appears

on screen. The unit is now

operating. Press "POWER"

again, and the unit will return

to the standby mode.

5.3.3 Adjusting the contrast and brilliance of screen, and key-backlight

xxx

= Keys to press

BRILL

Press the "BRILL" key and control indicators will be displayed on

the screen. Use the up and down arrows on the cursor pad to select

the item you want to adjust, then adjust it with the control knob.

When you are through making adjustments, press the "BRILL" or

"ENT" key to exit. You can also press any other key and continue

with that function.

Brilliance Up/Down Select brilliance.

Control knob Adjust brilliance with knob.

Key backlight Up/Down Select key backlight.

Control knob Adjust key backlight with knob.

ENT Press "ENT" key to return.

5.3.4 Changing the range scale (RANGE UP, RANGE DOWN)

RANGE UP or Pressing "RANGE UP" key increases the distance the unit

will scan,

RANGE DOWN the "RANGE DOWN" key decreases it.

POWER

START

SCREEN

.75

.25

CHANGE

RANGE

PAGE 1
5.3 Basic Operations ______________________________________ xxx = Keys to press 5.3.1 Turning On and Off POWER POWER ON Press the "POWER" key to power on. The 2 (or 3)-minute timer and "RADAR OFF" are displayed. After an initial 2 (or 3)-minute warm-up sequence, the radar will go into standby mode. "STBY" will be displayed on the screen. To power off, press and hold the "POWER" key for more than 3 seconds. 5.3.2 Transmitting START POWER AT .
PAGE 2
RADOME SCANNER (RA51) RANGE 0.125 0.25 0.5 0.75 1.5 3 6 12 24 36 Number of rings 2 2 2 3 6 6 6 6 6 6 Range ring interval 0.0625 0.125 0.25 0.25 0.25 0.5 1 2 4 6 OPEN SCANNER (RA52) RANGE 0.125 0.25 0.5 0.75 1.5 3 6 12 24 48 Number of rings 2 2 2 3 6 6 6 6 6 6 Range ring interval 0.0625 0.125 0.25 0.25 0.25 0.5 1 2 4 8 OPEN SCANNER (RA53) RANGE 0.125 0.25 0.5 0.75 1.
PAGE 3
To switch from the MANUAL state AUTO -------------------------------------------------------------- Set GAIN, STC and FTC at AUTO 5.3.7 Removing sea clutter (STC) (1) When the "STC" key is pressed, the STC display characters on the left side of the screen will be highlighted. (2) Turn the control knob to select an acceptable level. The numbers will move in a range of 0 to 99. (3) Press the "STC" key to exit from the adjustment state. You can also press any other key and continue with that function.