Try this. Bout best I can do with out main bitmap. The DU100 has a pop up window. This panel is more for the EFS50 series.
// This Panel.cfg file created by FS Panel Studio panel editor utility - 
http://www.fspanelstudio.com// Built Thursday, January 06, 2011 at 19:10 FSPS Build:21603
[Window Titles]
Window00=Main Panel
Window01=Overhead Panel
Window02=Radio stack
Window03=ECU
Window04=GPS
Window05=Smiths FMS
Window06=mcu
Window07=du1000 lrge
//--------------------------------------------------------
[Window00]
file=main.bmp 
file_1024=main.bmp 
size_mm=640
window_size_ratio=1.000  
position=7
visible=1
ident=MAIN_PANEL
window_size= 1.000, 1.000
window_pos= 0.000, 0.000
gauge00=Kingair!Attitude,  139,272,110,103
gauge01=Kingair!Airspeed,  63,299,70,69
gauge02=Kingair!Altimeter,  250,296,80,79
gauge03=Kingair!Rmi,  58,373,80,80
gauge04=Kingair!Vsi,  251,377,80,79
gauge05=Cessna182rg!Attitude,  360,277,60,59
gauge06=Cessna182rg!Altimeter,  416,339,50,49
gauge07=generic.airspeed,  362,339,50,50
gauge08=Kingair!Oil_PT1,  471,397,40,39
gauge09=Kingair!Oil_PT2,  512,397,40,39
gauge10=Kingair!Itt1,  470,316,40,39
gauge11=Kingair!Itt2,  511,316,40,39
gauge12=Kingair!Torque1,  470,275,40,39
gauge13=Kingair!Torque2,  511,275,40,39
gauge14=Kingair!FuelFlow1,  554,  397 ,40,40
gauge15=Kingair!FuelFlow2,  595,398,40,39
gauge16=Kingair!PropRpm1,  471,438,40,39
gauge17=Kingair!PropRpm2,  512,438,40,40
gauge18=Kingair!Rpm1,  470,357,40,39
gauge19=Kingair!Rpm2,  512,357,40,39
gauge20=fs9gps!gps_500,  362,392,100,82
gauge21=737-400!Left Gear Light,  581,295,22,11
gauge22=737-400!Right Gear Light,  603,295,22,11
gauge23=737-400!Nose Gear Light,  593,283,22,12
gauge24=Kingair!Altimeter_Selector,  503,187,70,35
gauge25=Kingair_Radio!Nav1,  440,187,60,65
gauge26=Kingair_Radio!Nav2,  578,187,60,65
gauge27=Kingair!Master_Warning,  128,217,33,20
gauge28=Kingair!Master_Caution,  200,217,33,20
gauge29=saab340!alt_switch,  405,203,22,12
gauge30=saab340!appr_switch,  405,189,22,12
gauge31=saab340!hdg_switch,  303,189,22,12
gauge32=saab340!vs_switch,  303,203,22,12
gauge33=saab340!nav_switch,  329,189,22,12
gauge34=saab340!bc_switch,  329,203,22,12
gauge35=saab340!fd_switch,  543,234,22,22
gauge36=saab340!cmd_switch,  509,234,22,22
gauge37=saab340!lvl_switch,  355,203,22,12
gauge38=saab340!yaw_switch,  355,189,22,12
gauge39=saab340!dummy_switch,  380,189,22,12
gauge40=saab340!dummy_switch,  380,203,22,12
gauge41=Kingair!Pitch_Trim,  439,288,15,36
gauge42=saab340!left_fuel,  654,538,40,40
gauge43=saab340!left_fuel,  554,438,40,40
gauge44=saab340!right_fuel,  595,438,40,40
gauge45=saab340!flaps,  587,361,35,35
gauge46=Kingair!Clock,  4,299,50,49
gauge47=SimIcons!ATC Icon,  7,410,20,20
gauge48=SimIcons!Avionics Icon,  7,385,20,20
gauge49=SimIcons!ECU Icon,  30,359,20,20
gauge50=SimIcons!GPS Icon,  30,385,20,20
gauge51=SimIcons!Kneeboard Icon,  7,435,20,20
gauge52=SimIcons!Overhead Icon,  7,359,20,20
gauge53=SimIcons!Map Icon,  30,410,20,20
gauge54=Kingair!Landing_Gear,  592,308,25,47
gauge55=isg1!DU_1000_EHSI,  139,374,110,103
gauge56=isg1!A300_EFIS_CTRL,  316,217,98,36
gauge57=isg1!FMS_OPEN,  28,434,21,19
gauge58=isg1!MCU_OPEN,  28,456,21,21
gauge59=isg1!LNAV,  250,195,19,17
gauge60=isg1!VNAV,  250,216,18,18
//--------------------------------------------------------
[Window01]
file=overhead.bmp 
file_1024=overhead.bmp 
size_mm=640
window_size_ratio=1.000  
position=0
visible=0
ident=OVERHEAD_PANEL
window_size= 1.000, 1.000
window_pos= 0.000, 0.000
gauge00=saab340!battery_switch,  332,23,20,30
gauge01=saab340!beacon_lights,  449,23,20,30
gauge02=saab340!deice,  511,23,20,30
gauge03=saab340!land_lights,  372,23,20,30
gauge04=saab340!lgen,  554,33,35,12
gauge05=saab340!lstart,  554,10,35,12
gauge06=saab340!nav_lights,  430,23,20,30
gauge07=saab340!pitot,  486,23,20,30
gauge08=saab340!strobe_lights,  411,23,20,30
gauge09=saab340!taxi_lights,  392,23,20,30
gauge10=saab340!rstart,  596,10,35,12
gauge11=saab340!rgen,  596,33,35,12
//--------------------------------------------------------
[Window02]
file=radio.bmp 
file_1024=radio.bmp 
size_mm=640
window_size_ratio=1.000  
position=0
visible=0
ident=RADIO_STACK_PANEL
window_size= 1.000, 1.000
window_pos= 0.000, 0.000
gauge00=Kingair_Radio!Adf,  520,414,60
gauge01=Kingair_Radio!Com1,  520,349,60
gauge02=Kingair_Radio!Com2,  579,349,60
gauge03=Kingair_Radio!Xpndr,  579,414,60
//--------------------------------------------------------
[Window03]
file=ecu.bmp 
file_1024=ecu.bmp 
size_mm=640
window_size_ratio=1.000  
position=0
visible=0
ident=THROTTLE_PANEL
window_size= 1.000, 1.000
window_pos= 0.000, 0.000
gauge00=Kingair!Throttle Quadrant,  462,316,176,161
//--------------------------------------------------------
[Window04]
file=gps.bmp 
file_1024=gps.bmp 
size_mm=640
window_size_ratio=1.000  
position=7
visible=0
ident=GPS_PANEL
window_size= 1.000, 1.000
window_pos= 0.000, 0.000
gauge00=fs9gps!gps_500,  358,246,280,232
//--------------------------------------------------------
[Window05]
Background_color=0,0,0 
size_mm=320,240
window_size_ratio=1.000  
position=0
visible=0
ident=4004
window_size= 0.260, 0.500
window_pos= 0.740, 0.000
zorder=0
gauge00=isg1!SMITHS_FMS,  2,1,316,237
//--------------------------------------------------------
[Window06]
Background_color=0,0,0 
size_mm=320,240
window_size_ratio=1.000  
position=0
visible=0
ident=4001
window_size= 0.230, 0.210
window_pos= 0.770, 0.790
zorder=0
gauge00=isg1!MCU,  3,-1,316,240
//--------------------------------------------------------
[Window07]
Background_color=0,0,0 
size_mm=320,240
window_size_ratio=1.000  
position=0
visible=0
ident=4017
window_size= 0.230, 0.350
window_pos= 0.000, 0.000
zorder=0
gauge00=isg1!DU_1000_EHSI,  0,0,318,238,WN
[Color]
Day=255,255,255
Night=233,108,107
Luminous=201,64,64
[Default View]
X=0
Y=0
SIZE_X=8192
SIZE_Y=3127