Chapter 8 DETAIL PERFORMANCE
161
8.4.7 TUNE PEAK ADJUSTMENT
Please make adjustments tuning indicator bar to be swing largest at the tuning position of the maximum
sensitivity. This adjustment must be done with (8.4.8 Tuning indicator) alternately.
Set the range to 48NM.
Note:
Always to be set the tune-peak-adjustment value of near the 64 at the factory.
When the equipment is used for a long time and automatic tuning function no longer works properly,
adjusting the tune peak adjustment value may result in improvement of the automatic tuning function.
It should be noted that an optimal adjustment value is required for proper operation of the automatic
tuning function.
8.4.8 TUNE INDICATOR LEVEL
If the tuning level is too low, then you need to adjust the tune indicator level.
Set the range to 48NM.
Note:
Do not let the tune indicator bar reach 100% while adjusting the tune level.
The automatic tuning function may not perform properly if the bar reaches 100%.
Set the level such that the tune indicator bar always reads 80% to 90%.
8.4.9 STOP ANTENNA IN THE SPECIFIED DIRECTION
Stop antenna in the specified direction when switching from TX mode to STBY mode.
Select
"
ON/OFF
", and turn the function on/off.
Select
"
Angle
"
, and specify the direction of stopping antenna.
It will be the relative direction from your ship, so please measure and adjust the direction with EBL.
8.4.10 ICE CLASS STANDBY MODE
In this mode, the scanner is rotated when transmission is in the standby state.
This mode is effective to prevent the antenna's rotating shaft from freezing.
Don’t adjust the tune peak adjustment value unless the serviceman. This
value is already setting in the factory. If change this value in unnecessary,
Auto Tune function will be influenced, and radar echo will become weak at
Auto Tune, and this may lead to accidents.
Don’t adjust the tune indicator level value to 100% tune bar. This value is
already setting in the factory. If change this value in unnecessary, Auto
Tune function will be influenced, and radar echo will become weak at Auto
Tune, and this may lead to accidents.
Summary of Contents for JMA-3400 Series
Page 2: ......
Page 23: ...WARNING LABEL MOUNTING POINT xxi NKE 2103 4 4HS 6 6HS SCANNER UNIT NCD 2364 DISPLAY UNIT ...
Page 31: ...EQUIPMENT APPEARANCE xxix NKE 2043 SCANNER UNIT NKE 2063A AHS SCANNER UNIT ...
Page 32: ...EQUIPMENT APPEARANCE xxx NKE 2103 4 4HS 6 6HS SCANNER UNIT ...
Page 34: ...EQUIPMENT APPEARANCE xxxii Fuse ...
Page 48: ......
Page 51: ...Chapter 1 INSTALLATION 3 1 2 3 DIMENSIONAL DRAWING OF DISPLAY MOUNTING ...
Page 56: ...Chapter 1 INSTALLATION 8 FLUSH MOUNTING TEMPLATE Note Please note the paper size ...
Page 85: ...Chapter 2 THE BASIC OPERATION 37 2 2 OPERATION UNIT ࢫࣆ ձ ղ ճ մ յ ն շ ո չ պ վ տ ւ ջ ռ ս ր ց ...
Page 266: ...Chapter 13 SPECIFICATIONS 218 13 1 SCANNER DIMENSION 13 1 1 NKE 2043 ...
Page 270: ...Chapter 13 SPECIFICATIONS 222 13 2 DISPLAY DIMENSION 13 2 1 NCD 2364 ...
Page 283: ...235 Chapter 13 SPECIFICATIONS MEMO ...
Page 293: ...APPENDIX A 10 MEMO ...
Page 313: ......