No. Of Main Val. Options; No. Of Bot. Val - Simrad EY500 Instruction Manual

Operation
Auto Range
Bottom Range
Bot. Range Start Options:

No. of Main Val. Options:

No. of Bot. Val.

64
Options:
OFF
ON
Automatic adjustment of Range Start aimed at
maintaining the bottom echo inside the echogram. Auto
Range ON implies that the Range Start value has no
significance.
Options:
0 to 100 m in steps of 1 m.
Range of bottom echogram.
-100 m to +100 m in steps of 1 m.
This command sets the upper start depth of bottom
echogram relative to detected bottom depth; positive
values above the bottom and negative values below the
bottom.
0 to 700 in steps of 1.
Resolution of main echogram range (number of main
echogram values).
Options:
0 to 500 in steps of 1.
Resolution of bottom echogram range (number of bottom
echogram values).
P3402/C