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TRAFFIC DISPLAY INTERFACE 

82005-PG-D 

SANDEL SN3500 EHSI PILOT’S GUIDE 

PAGE  

8-3 

 

The ‘-02’ indicates the target is 200 feet below your 
current aircraft altitude.  The up arrow indicates the 
target is climbing at a vertical rate of greater than 500 
fpm.  

 

The ‘+05’ indicates the target is 500 feet above your 
current aircraft altitude.  The down arrow indicates 
the target is descending at a vertical rate greater than 
500 fpm.  

 

Absolute Altitude vs. Relative Altitude 

The traffic processor may have an option to change the display of 
altitude from relative to absolute.  This is called ‘Flight Level’ mode 
by some manufacturers.  When activated, the altitude shown for 
target aircraft will temporarily be shown in hundreds of feet MSL 
when below 18,000 feet and as a flight level above 18,000 feet.  
The altitude of your aircraft will be shown in the top right of the 
SN3500 display.   

Traffic Display Mode 

The traffic display mode is annunciated next to the [TFC] button.  
There are three different modes available which control how the 
targets are displayed on the SN3500 and are toggled by pressing 
the [TFC] button. 

 

ON: 

Enables display of all targets within the selected 
map range. 

M: 

Manual mode.  Traffic will be displayed within 
the selected map range only when alerting 
traffic is present. 

A:   

Auto mode.  Same as Manual mode except that 
map range will auto-scale to an appropriate 
range to show the traffic on-screen.    

Selecting the Manual (M) or Auto (A) modes will suppress the 
display of non-alerting traffic (i.e. traffic other than RAs or TAs).  
This can be useful in busy terminal areas where the display of all 
traffic may cause the screen to become too cluttered. 

TRAFFIC DISPLAY INTERFACE 

82005-PG-D 

SANDEL SN3500 EHSI PILOT’S GUIDE 

PAGE  

8-4 

 
When the traffic display mode is set to ON, pressing the [CLR] 
button will change the display mode to Auto.  This has the effect of 
removing non-alerting traffic from the display.  Pressing [CLR] again 
will toggle the traffic display mode back to ON.  Note that alerting 
traffic will always be shown on the display.   

Altitude Mode 

The currently selected altitude display mode will be displayed next 
to the [TFC] button.   

 

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  Normal altitude display mode.  Target aircraft 

/-2,700 ft. of your aircraft are displayed.   

ABV:  Above altitude display mode.  Target aircraft 

within –2,700 ft. and +9,000 ft. of your aircraft 
are displayed.   

BLW:  Below altitude display mode.  Target aircraft 

within –9,000 ft. and + 2,700 ft. of your aircraft 
are displayed.   

XTD:  Extended altitude display mode.  Target aircraft 

/-9,000 ft. of your aircraft are displayed. 

TCAS Status 

When traffic is not available, the following annunciations will be 
displayed next to the [TFC] button.  The Traffic Display Mode 
annunciation will also be lined out in red.    
 

TEST:   

TCAS is currently in Test mode 

OFF or STBY:  TCAS is currently in Standby mode 

FAIL:   

TCAS data communication not present 

Traffic Overlay with Moving Map 

Traffic targets can be displayed simultaneously with the moving map 
information described in Chapter 6.  Targets will be overlaid on the 
moving map flight plan and icons as shown in the example below.  
 

Summary of Contents for sn3500 ehsi

Page 1: ...82005 PG D SANDEL SN3500 EHSI PILOT S GUIDE SN3500 EHSI Navigation Display Pilot s Guide 82005 PG D SANDEL SN3500 EHSI PILOT S GUIDE PAGE II This page intentionally left blank...

Page 2: ...legal and operational limitations of the equipment supplying data to it Always refer to your approved Aircraft Flight Manual Supplement for operation and limitations on the use of installed equipment...

Page 3: ...4 4 GPS Mode Selection 4 4 Auto Slew Function 4 4 Course Pointer Display Function 4 4 82005 PG D SANDEL SN3500 EHSI PILOT S GUIDE PAGE VI CHAPTER 5 BEARING POINTERS 5 4 Bearing Pointers 5 4 BRG Menu...

Page 4: ...p operation 6 4 Figure 6 2 Map setup menu 6 4 Figure 6 3 Select AIRSPC 6 4 Figure 6 4 Select ON 6 4 Figure 6 5 Storing settings 6 4 Figure 6 6 Removing map memory 6 4 Figure 6 7 Restoring default sett...

Page 5: ...from GPS FMS to ILS Page 3 7 Revised display brightness operation Chapter 7 expanded to include FIS B datalink weather description Page 8 4 Eliminated NM icon for normal mode operation Page 9 1 Remove...

Page 6: ...acon and GPS annunciator displays the SN3500 becomes the virtual equivalent of an EFIS NAV display sized and priced for general aviation cockpits The SN3500 EHSI uses Sandel s patented rear projection...

Page 7: ...e also presented within the primary display area DISPLAY OVERVIEW 82005 PG D SANDEL SN3500 EHSI PILOT S GUIDE PAGE 2 2 Figure 2 2 Display areas The upper display area presents data from the selected c...

Page 8: ...pointer 2 BRG2 is represented by the open tip arrowhead symbol Depending on the user selected settings these pointers may show the bearing to a VOR ADF or GPS waypoint The numeric information from the...

Page 9: ...c heading and button labels Non active legs and waypoints of flight plan To From indicator Inner marker indicator Heading bug and associated data Traffic targets New Stormscope data DISPLAY OVERVIEW 8...

Page 10: ...e versions Figure 3 1 Introduction screen After a few seconds this display will be removed and the compass card will be shown as below BASIC OPERATION 82005 PG D SANDEL SN3500 EHSI PILOT S GUIDE PAGE...

Page 11: ...ea if available BASIC OPERATION 82005 PG D SANDEL SN3500 EHSI PILOT S GUIDE PAGE 3 4 In some installations the ILS Lockout function may be enabled on the SN3500 This function forces the selection of t...

Page 12: ...when flying a complex flight plan as it eliminates the burden of manually setting the course pointer for each leg of the flight plan When auto slew is activated and a GPS FMS is selected as the NAV s...

Page 13: ...y settings COPY MEM will be displayed momentarily to confirm this action Display and Button Brightness Both the display and button backlight brightness can be controlled through the menu The display b...

Page 14: ...rce NAV OPERATION 82005 PG D SANDEL SN3500 EHSI PILOT S GUIDE PAGE 4 2 Options are AUTO and OFF When set to auto the course pointer cannot be set manually if the GPS FMS is navigating on a flight plan...

Page 15: ...left knob until CRS PTR is highlighted in the far left column Rotate the heading bug knob to select the desired option Press M to exit the menu and return to normal operation NAV OPERATION 82005 PG D...

Page 16: ...NAV1 Yellow NAV2 The cross side color of the bearing pointer and its associated numeric display is yellow when NAV1 is selected and green when NAV2 is selected The digital numeric bearing to the navi...

Page 17: ...the GPS FMS flight plan waypoints come from the internal database of the SN3500 and are color coded cyan Controlled and Special Use Airspace also comes from the SN3500 s internal database and are col...

Page 18: ...on screen changes are made to S but can be copied to memories 1 4 as desired The purpose of having a separate scratchpad is to allow you to quickly add or delete items from your map display to attend...

Page 19: ...e GPS FMS flight plan on the display The active leg and waypoint will be shown in magenta and the other waypoints and course lines will be shown in white Use the or buttons to adjust the map range Set...

Page 20: ...he map menu rotate the left knob to highlight an item in the left column and rotate the right knob to select the available options in the right column The middle column will display the current select...

Page 21: ...previously Rotate the left knob to highlight MENU SEL Rotate the right knob until MEMORY in the right column is highlighted MAP OPERATIONS 82005 PG D SANDEL SN3500 EHSI PILOT S GUIDE PAGE 6 10 Rotate...

Page 22: ...scratchpad memory The scratchpad can now be further modified or press M to exit the menu and return to normal operation Automatic Decluttering Occasionally the SN3500 map display may become too clutt...

Page 23: ...on the SN3500 in white for 30 seconds after which they are shown in green Cell strikes older than 3 minutes are removed from the display Figure 7 1 WX 500 Stormscope display WX Menu The WX menu can on...

Page 24: ...are installed Figure 7 5 LTNG SRC mode menu WX500 Display only strikes from WX 500 WSI Display only strikes from WSI BOTH Display strikes from WX 500 WSI WEATHER DISPLAY INTERFACE 82005 PG D SANDEL S...

Page 25: ...s to provide weather and other non control flight advisory information to pilots in a manner that will enhance their awareness of the flight conditions and enable better strategic route planning The i...

Page 26: ...this information has been processed it is then up linked to satellites for retransmission to aircraft receivers This process can take up to 3 minutes depending on the amount of information to be uplin...

Page 27: ...ERFACE 82005 PG D SANDEL SN3500 EHSI PILOT S GUIDE PAGE 7 10 Figures 7 12 and 7 13 illustrate two other situations where observed flight conditions will not correlate to the display in figure 7 10 Fig...

Page 28: ...PLAY INTERFACE 82005 PG D SANDEL SN3500 EHSI PILOT S GUIDE PAGE 7 11 Figure 7 13 Between layers WEATHER DISPLAY INTERFACE 82005 PG D SANDEL SN3500 EHSI PILOT S GUIDE PAGE 7 12 This page intentionally...

Page 29: ...ance information is NOT shown on the Altitude Mode Traffic Display Mode Traffic Targets 2m Range Ring TRAFFIC DISPLAY INTERFACE 82005 PG D SANDEL SN3500 EHSI PILOT S GUIDE PAGE 8 2 SN3500 display Traf...

Page 30: ...suppress the display of non alerting traffic i e traffic other than RAs or TAs This can be useful in busy terminal areas where the display of all traffic may cause the screen to become too cluttered T...

Page 31: ...mode is set to ON Figure 8 3 ON AUTO menu ALT RANGE Ryan 9900BX TAS Only Selects the desired altitude mode display When interfaced with a traffic processor other than the Ryan 9900BX the altitude mod...

Page 32: ...played Numeric information display shows NAV flag Note CDI pointer will be visible under the red X for two minutes after power up to allow testing for certain GPS receivers FLAGS AND ABNORMAL CONDITIO...

Page 33: ...during fast slave correction Heading has not stabilized Map flag Redlined map icons indicates that the map cannot be displayed because of loss of LNAV Stormscope flag Redlined WX indicates loss of dat...

Page 34: ...SN3500 EHSI PILOT S GUIDE PAGE 10 2 Message Description 400HZ LOW Problem with main inverter Note 1 AIRCRAFT POWER Main power to unit out of specification AUTO SLEW ACTIVE Displayed when course knob...

Page 35: ...iring short circuit in the aircraft Immediately monitor the lateral and vertical deviation indicators and disable the autopilot and flight director NAV or APPR mode for the duration of the flight if t...

Page 36: ...is not installed MESSAGES 82005 PG D SANDEL SN3500 EHSI PILOT S GUIDE PAGE 10 6 Message Description OVERTEMP SHTDWN The internal temperature is continuously monitored An over temperature condition wi...

Page 37: ...DE PAGE 10 7 is usually the source of Fluxgate power Note 3 Loss of the auxiliary 400HZ inverter will only cause the ADF to become invalid if installed MESSAGES 82005 PG D SANDEL SN3500 EHSI PILOT S G...

Page 38: ...F2 X XXA Standard A2 F1 ZBABHXXXXXXZBABB WW M XX E2 F2 X XXA Physical Dimensions Form Factor 3ATI ARINC 408 Width 3 165 in 8 04 cm Height 3 165 in 8 04 cm Length 10 3 in 26 2 cm overall excluding con...

Page 39: ...___________ Installer Phone ________________________________________ Work Order __________________________________________ Installer ______________________________________________ NAV Equipment Inputs...

Page 40: ...associated with the same position as the installed pilot or copilot position Selectable Items Modifiable values multiple choice listings displayed on multiple lines and requests that an operator may...

Page 41: ...eight Precision approach DME Distance Measuring Equipment EFIS Electronic Flight Instrument System FAA Federal Aviation Administration AVIONICS ACRONYMS 82005 PG D SANDEL SN3500 EHSI PILOT S GUIDE PAG...

Page 42: ...ound track usually magnetic TSO Technical Standard Order USB Universal Serial Bus Vac Volts AC alternating current in aircraft typically 400Hz Vdc Volts DC direct current VDI Vertical Deviation Indica...

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