Why I can't use the Estimate Range to Contact ? (sonar)

[Cthulhus]

Hello,

Why I can't use the Estimate Range to Contact ? (sonar) It's grey and can't click on it. I use the megamod : The Wolves of Steel 1.01



THANKS !

with mods :

Accurate German Flags
Das Boot Departure Theme
SteelViking's Interior Mod V1.2
SteelViking's Interior Mod V1.2.2 Patch
DynEnv v2.9 - 1. Main Mod
DynEnv v2.9 - 2. Main Mod Low Resolution Patch
DynEnv v2.9 - 4.a Camera Filters - Realistic Colors
DynEnv v2.9 - 12. Sounds
DynEnv v2.9 - No U-Mark
Water reflections intensity varied by available sunlight by TheDarkWraith
SH5_7A_Conning_Fix
Fix clock rear torpedo room VIIA
Fuel Gauge WoGaDi_SteelViking's Interior
Equipment_Upgrades_Fix_v1_4_byTheBeast
Equipment_Upgrades_Fix_v1_4_Patch_1
#Equipment_Upgrades_Fix_v1_4_Patch_1_HotFix
Equipment_Upgrades_Fix_v1_4_Patch_1 (available by date) V9 by sober
EUF_UBoat_FX_v0_0_3_ byTheBeast
FX_Update_0_0_22_ByTheDarkWraith
FX_Update_0_0_22_Torpedoes (modified for torpedoes failure patches)
FXU_0_0_22_No Starshells (.eqp Files)
FXU_0_0_22_Ship zon Files
NewUIs_TDC_7_4_2_ByTheDarkWraith
NewUIs_TDC_7_4_2_Das_Boot_Crew_Mod_by_Illyustrator
NewUIs_TDC_7_4_2_New_radio_messages_German
HydrophoneFollowNearestContactFix_For_NewUIs_TDC_7_1_0_To_7_5_0
No Sonar Ping & Auto Ship Recog. - for TDW NewUIs 7_4_2
Large Optics for TDW UI
Large Optics for TDW UI 8 by 5
Large Optics for TDW UI Darkened Scopes Alt Attack Scope
TDC Graphics by Naights v1.0
Sjizzle's - Charts for NewUIs part1_07.06.2013
Sjizzle's - Charts for NewUIs part 2_07.06.2013
Sjizzle's - Charts for NewUIs part 3_24.06.2013
Sjizzle's - Charts for NewUIs part 4_20.07.2013
IRAI_0_0_39_ByTheDarkWraith
IRAI_0_0_39_ByTheDarkWraith patch 1
NOZAURIO'S SKIN (Standar No Emblem) v-1.0.0
R.E.M_by_Xrundel_TheBeast_1.2
R.E.M_by_Xrundel_TheBeast_1.2 - no hyd on surface - NewUIs-IRAI compatible
Cerberus62 Corrected Depth Charge Projector 1.0
OPEN HORIZONS II v2.4 - Edited
OHII v2.4 patch2 IMPORTANT
SkyBaron's Leigh Light for SH5 1.1 - for OHII v2.4
SH5 External Cargo 1.0
sobers green crew training V4 SH5
Church's Compass Dials Mod v2.2 - Option Two
EQuaTool 01.01 by AvM - Large Style
Trevally Tutorial - All v0.2(for OHIIv1.3)
Trevally Automated Scripts v0.6
Trevally Harbour & Kiel Canal Pilot v3.1
Patrolsearch autoscriptsV04
Submarine's .sim&cfg (modified for engine ratio + independent control patches).7z
Real U-Boat Performance - Type VII v1.2
sobers best ever fog  V22 SH5
MightyFine Crew Mod 1.2.1 Stock faces
MCCD_1.04_MFCM_1.2.1_compatible
Reworked Morale and Abilities v.1.1
EMCCD v0.3.1 by archer9
Reworked U-boat Guns (incomplete version)
gap - armaments & equipments patch v 0.2
R.S.D. - Reworked Submarine Damage v5.5 by vdr1981
R.S.D. v5.5 - OHII v2.4 Compatibility Patch
R.S.D. & R.E.M. - GHG Hydrophone add-on (no hyd on surface)
R.S.D. v5.5 - German Patch v1
R.S.D. - Less Accurate AI Gunners
R.S.D. - Depth Charges Fix_attempt 4
DBSM_Music_1_0_4
Speech fixes and additions (german version)
sobers no footstep sound mod SH5 V2
Shadow Improvement ModLR
sobers water splash anim SH5
gap - HD 1 deg Scope Bearing v 1.0
TDW options _7_4_2 - Simple Navigation
The Wolves of Steel 1.01 - Compatibility Patches and Tweaks_7_4_2

[Cthulhus]

And I just noticed that I can't use the hydrophone room, the wheel don't turn, stroke at 0° ...