This profile has been discontinued as I am unable to provide any future fixes or updates.

This SPAD.neXt profile is designed for Logitech/Saitek panels, including multi, switch, and radio panels, to make them compatible with the PMDG Boeing 737. If you come across any bugs, mistakes, or have suggestions, please don't hesitate to reach out to me!

This profile requires a SimConnect connection, LVAR Bridge to be installed and PMDG SDK enabled.

I recommend using a lower multi panel tuner pollrate. You can change it in settings > devices > multipanel (image)

Lower values will give you a smoother experience. If you experience problems with stuck knob animations, increase its value.

PMDG SDK:

You need to enable PMDG SDK in add-on files. Video about it (not mine)

Make sure to enable PMDG 737 support in SPAD.neXt options as well (image)

Installation:

Put "PMDG B737 Logitech Panels (current version) by Pollot.xml" into your SPAD.neXt profiles folder.

[Default location: C:\Users\[your name]\Documents\SPAD.neXt\profiles]

Displays work - I have used LVAR variables for them, so the refresh rate is slower like in the CRJ's case

FO version is made for first officer setups (CRS for NAV 2, QNH on FO side etc.)

Description of profile functions (also located in the .zip file):

PMDG B737 Logitech Panels SPAD.neXt Profile - version 1.1 / created by Pollot (don't copy my work without my permission)
Changelog:
1.1:
- Fixed radio panel not displaying selected barometric pressure in inHg
- Separated radio panel decimal point location function from REV button on multi panel
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Switch Panel:

Master Battery [BAT] - Turns battery ON/OFF
Master Alternator [ALT] - Starts APU / Turns APU OFF

Avionics Master - Turns IRSes to NAV position / Turns IRSes OFF
Fuel Pump - Turns all fuel pumps ON/OFF
De-Ice - Turns both engines de-ice ON/OFF
Pitot Heat - Turns pitot and window heats ON/OFF

Close Cowl - Turns dome light DIM/OFF

Panel Lights - Turn panel and floodlights ON/OFF
Beacon Lights - Turn beacon lights ON/OFF
Navigation Lights [NAV] - Turns navigation lights STEADY/OFF
Strobe Lights - Turns strobe lights POS STROBE & STEADY/OFF
Taxi Lights - Turns runway turnoff and nose taxi Lights ON/OFF
Landing Lights - Turn landing lights ON/OFF

Magnetos - Autobrake

Gear Lights:
Green - Fully extended
Yellow - Fully extended, but with airspeed equal to or greater than 200 knots
Red - Not fully extended
Off - Retracted

Landing Gear Lever - Controls landing gear lever position (UP/DOWN, no OFF position)

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Multi Panel: value after "/" is used when the REV button is pressed

Alt tab:
- Displays selected altitude and selected vertical speed
- Knob changes selected altitude by 100ft / 500ft

VS tab:
- Displays selected altitude and selected vertical speed
- Knob changes selected vertical speed by 100ft / 250ft

IAS tab:
- Displays selected autothrottle speed
- Knob changes selected speed by 1kt / 5kt

HDG tab:
- Displays selected heading
- Knob changes selected heading by 1° / 5°

COURSE tab:
- Displays left course (for NAV1)

- Knob changes selected course

function after "//" is activated when you press and hold a button for longer than one second

Autopilot [AP] - Turns CMD A ON/OFF // Turns CMD B ON/OFF
Heading [HDG] - Turns heading mode ON/OFF // Turns LNAV mode ON/OFF
Navigation [NAV] - Turns vertical navigation mode [VNAV] ON/OFF
Indicated Airspeed [IAS] - Turns speed mode ON/OFF // Turns N1 mode ON/OFF
Altitude [ALT] - Turns altitude hold ON/OFF // Turns flight level change [LVL CHG] ON/OFF
Vertical Speed [VS] - Turns vertical speed mode ON/OFF
Approach [APR] - Turns approach mode ON/OFF // Turns LOC/VOR mode ON/OFF 
Reverse Course [REV] - Changes increment and decrements by multiplying them by 5 and enables faster frequency changes on the radio panel

Auto Throttle - Turns autothrottle ON/OFF

Flaps - Flaps up/down by a 1 notch / Flaps full up/full down

Pitch Trim - Changes selected vertical speed

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Radio Panel:

The inner knob changes COM1/2 frequency by 0.005 MHz and the outer by 1 MHz
The inner knob changes ADF1/2 frequency by 1 MHz and the outer by 10 MHz

With REV ON inner knob changes COM1/2 frequency by 0.025 MHz and the outer still by 1 MHz
With REV ON inner knob changes ADF1/2 frequency by 10 MHz and the outer by 100 Mhz

ADF tab shows active ADF1 and standby ADF1 frequencies. However, you can only change active one

DME shows a distance from NAV1 on the left side and the NAV2 on the right side

In the XPDR tab, you can change your QNH using the outer knob, and squawk using the inner (press the transfer button to change between squawk numbers)
Holding the transfer button in the XPDR tab for longer than one second will set QNH to a standard value

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That's all, fly safe!