PRINCIPLES OF OPERATION
3-3
Menu grouping
To save you having to memorize specific utility numbers, the utilities are split into the 11 groups
listed below:
Utility number
Utility group
01-09 FREQUENCY/SWEEP
10−19
RF LEVEL
20−29
MODULATION (Normal and FSK)
30−39
MODULATION SOURCE
40−48
MEMORY
49 SPECIAL
50−59
SETUP
60−69
INFORMATION
70−79
DIAGNOSTICS
80−89
LOCK/UNLOCK
100 onwards CALIBRATION
Family tree
Menu operation is presented graphically in Fig. 3-2.
Memory operation
During operation, either the current carrier frequency or the current instrument settings can be
saved by means of the memory store [STO] key, and recalled when required by means of the recall
[RCL] key. The type of store is determined by the location number selected:
Carrier store non-volatile
0−99
Full store non-volatile
100−199
Full store volatile
200−299
Note that the instrument factory settings can be recalled from memory location 999.