User Manual

While watching the screen , check the following:

i) Whether all items are marked “OK”. (If any item is marked “NG”, the indicated location may be

faulty.)

ii) Press a front-panel key and see if the corresponding display on the screen is highlighted.

iii) Turn the control knob and see if the lower-right indicator move to right or left.

(3) Press the POWER key to return to the previous screen

a) ROM Indicates the ROM status.

b) RAM Indicates the RAM status.

c) Backup memory Indicates the backup memory status.

d) Transmit trigger Indicates the signal line status for the trigger signal sent from the scanner

unit.

e) Bearing pulse Indicates the signal line status for the bearing signal sent fron the scanner

unit.

f) Heading pulse Indicates the signal line status for the bow signal sent from the scanner unit.

g) +5V voltage Indicates the reference voltage status of the video circuit and its voltage

value.

(at video circuit) (normally about 5 V)

h) High voltage(at SU) Indicates the status of the high voltage supplied from the display unit to the

scanner unit and its voltage value (normally about 250 V) at scanner unit.

i) High voltage(at DU) Indicates the status of the high voltage supplied from the display unit to the

scanner unit and its voltag value (normally about 250 V) at display unit.

j) Magnetron current Indicates the status of the anode current flowing in the magnetron and its

current value.

k) Tuning voltage Indicates the status of the voltage used for tunning and its voltage value.

l) Motor Indicates the status of the scanner motor power (normally about 40 V)

m) Cumulative usage time Indicates the cumulative time your radar is used.

OPERATE : Duration of time during which the power supply is turned on.

TRANSMIT : Duration of time transmitting.

n) ROM version Indicates the ROM software version.

o) Scanner type Indicates the Scanner type ex. 4 KW OPEN

p) Front-panel keys As you press any front-panel key when the SYSTEM CHECK screen is on,

the corresponding key is highlighted on the screen by displaying it in reverse

video.