Ir (Sonar/Bottom Sonar Modes) - Honda Hondex HE-773-III-Di Operation Manual

IR (Interference Rejection : SONAR/BOTTOM SONAR MODES)
IR
IR may reduce the level of interference from other sounders.
IR function cannot remove all the interference.
1
SONAR MODE
Go to MENU1-Other Sonar Setup.
Bottom Sonar Mode
Go to MENU1-Other Bottom Sonar Setup.
2
IR
0. NORMAL : No IR
1. IR-1
2. IR-2
56
: Same scan speed but lover
Sensitivity.
: Same sensitivity but slower
scan speed.