SUBSIM Radio Room Forums - Why I can't use the Estimate Range to Contact ? (sonar)

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

http://imageshack.com/a/img594/5742/ltbk.jpg

THANKS !

with mods :
Code:
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