Radar and ARPA Manual

392

RADAR

AND

ARPA MANUAL

Variable range marker control

Bearing marker control

Performance monitor switch

-

transmitted power

monior

or

transmit/receive monitor.

2 Code of practice

The following code

of

practice should

be

used when

marking radar sets with recommended symbols:

2.1

The

maximum dimension of a symbol should

not

be less than

9 mm.

2.2

The

distance between

the

centres

of

two adjacent

symbols should

not be

less than

1.4

times

the

size of the

larger symbol.

2.3 Switch function symbols should

not be

linked

by a

line.

A

linked line infers controlled action.

2.4 Variable control function symbols should

be

linked

by a

line, preferably