MGL Avionics Razor Bedienungsanleitung
MGL Avionics
Razor 3.1/8” control head
for V16 aviation band transceiver
and N16 V F navigation receiver
User and Installation manual
Page 1
Table of Contents
Note.............................................................................................................................................4
General........................................................................................................................................4
Document history........................................................................................................................4
Description..................................................................................................................................4
Multiple control heads.................................................................................................................4
Interface with MGL E IS systems...............................................................................................5
Interface with non-MGL E IS systems.......................................................................................5
Multiple V16/N16 systems...........................................................................................................5
V16 COM radio interface – operation.........................................................................................6
Rotary control .........................................................................................................................6
Touch screen...........................................................................................................................6
Ambient light sensor...............................................................................................................6
Main display - receive.................................................................................................................7
Main display - transmit................................................................................................................8
Messages....................................................................................................................................9
STUCK PTT !!!....................................................................................................................9
V16 AULT.........................................................................................................................9
Antenna !............................................................................................................................9
Adjusting volumes and squelch.................................................................................................11
Entering a new standby frequency............................................................................................13
Using the numeric keypad....................................................................................................13
Using the rotary control.........................................................................................................13
Using the channel list............................................................................................................15
requency lists downloaded from external devices..............................................................16
COM lists..........................................................................................................................16
NAV lists...........................................................................................................................17
N16 navigation radio interface – operation...............................................................................19
Typical navigation displays...............................................................................................20
Adjusting the OBS............................................................................................................21
NAV control.......................................................................................................................22
Adjusting RX volume........................................................................................................22
Adjusting the squelch.......................................................................................................23
Localizer backcourse........................................................................................................23
The NAVCOM mode.........................................................................................................23
The audio output...............................................................................................................24
The morse station decoder...............................................................................................24
Channel identification by text...........................................................................................25
The Menu..................................................................................................................................26
COM Setup Menu.................................................................................................................27
Head Setup Menu.................................................................................................................27
No TX Info/Show TX info..................................................................................................28
VH ...................................................................................................................................28
Edit channels....................................................................................................................28
Set Backlight.....................................................................................................................28
Page 2
EMU..................................................................................................................................28
8.33K Channels/25K Channels........................................................................................29
Inputs................................................................................................................................29
About................................................................................................................................29
Rotary rollover/clamp........................................................................................................30
Check …...........................................................................................................................30
Razor head firmware.................................................................................................................30
Editing channel memory............................................................................................................31
Editing a channel..............................................................................................................32
Remote channel lists.............................................................................................................33
Environmental qualification matrix............................................................................................34
Typical connection diagrams.....................................................................................................36
Remote control..........................................................................................................................37
Pinout for 3.18” Razor and 2.25” Vega transceiver control head.........................................38
Specifications............................................................................................................................39
Dimensions................................................................................................................................40
Garmin protocol limitations.......................................................................................................42
Example Harness schematic....................................................................................................43
NAVCOM device using V16 and N16.......................................................................................44
Using audio transformer on the AUX input...............................................................................45
Page 3
Note
This document details operation of the Razor NAV/COM control head for COM, NAV and
NAVCOM operations. This document is valid for Razor firmware 190218.
Razor devices prior to this can be updated to this version via RS232 using a freely
downloadable application from the MGL Avionics website. Versions prior tho this only support
COM operation.
General
This manual documents the installation and use of the MGL Avionics Razor NAV/COM 3.1/8”
control head.
The Razor NAV/COM control head is designed to interface to a MGL Avionics V16 VH
airband transceiver and/or a MGL Avionics N16 VH Navigation receiver.
Document history
21 ebruary 2018
Added NAV and NAVCOM functionality
14 November 2017, first release.
Description
The Razor control head consists of a body designed to fit a standard 3.1/8” instrument cutout.
The Razor is designed for panel front mounting.
The Razor features a 3.2” portrait mode color T T touch screen with a wide viewing angle. A
Rotary control is provided. Display light intensity may be adjusted to fixed values or set
automatically based on ambient light levels.
The Razor interfaces to a V16 and or N16 using a two wire CAN bus. Two RS232 ports are
provided. RS232 port 1 may be used as interface to third party systems implementing industry
standard communication protocols. The same port may also be used to upload firmware
updates to the Razor using a PC application provided by MGL Avionics. RS232 port 2 is
reserved for special applications and is not currently used.
Two analog voltage inputs are provided. Input one may be used together with a switch to
implement a stick mounted last reception recall for the V16 transceiver.
Input two may be used to implement a selection of one, two or three button frequency or
channel selection switches.
Multiple control heads
There are no limitations to the number of control heads installed in parallel.
Control head types can be mixed, for example you may mix Razor 3.1/8” heads with Vega
Page 4
you2.14” heads. Heads require no specific configuration for multiple head operation. Simply
connect them in parallel on the CAN bus.
Interface with MGL EFIS systems
Heads are not connected in any way to a MGL Avionics E IS system.
Should you wish to operate an MGL E IS with a V16 and/or N16, the MGL E IS connects
directly to the V16 via an E IS RS232 port. In case of a V16 and N16 combination, the N16 is
connected to the V16 via CAN bus and the V16 RS232 port provides both V16 and N16 data
to the E IS. In case of a single N16 receiver, connect the RS232 port 1 of the N16 to the
RS232 port of the E IS.
Note that the CAN bus between heads, V16 and N16 is a private CAN bus. It must not be
connected to an E IS CAN bus or any other can bus in your aircraft.
You may operate heads and E IS connection at the same time.
Interface with non-MGL EFIS systems
Using any Razor or Vega head, RS232 port 1 implements a industry standard, Garmin
compatible protocol. As there are several protocol types please select the desired variant in
the head setup menu.
Note: If you have both V16 and N16 connected via CAN bus to your head, you can select a
NAV/COM protocol such as SL30 or GNC255. If you have only a V16 connected, select one
of the COM protocols such as SL40, GTR200, GTR225.
It is possible to connect only a N16. In this case select a NAV/COM protocol. The protocol will
include the COM parts but these will not be functional – for example if you were to set a COM
frequency this will not work and the head will return a fixed frequency set to 118.000Mhz.
The protocols are implemented fully including various forms of frequency lists and tables
depending on the chosen protocol which can be used with compatible GPS receivers. Note:
Generally, E IS systems do not download frequency lists but set individual frequencies from
their databases.
Multiple V16/N16 systems
Should you wish to use multiple V16 and/or N16 systems, please wire each system with a
separate CAN bus.
Page 5
V16 COM radio interface – operation
Rotary control
This is used to enter a new standby frequency, flip active and standby frequency, switch
scanning on and off and select the 121.5Mhz emergency channel. The Rotary control is also
used to select from preset channel lists and can be used for many of the menu and setup
functions. It is also used to set volume and squelch levels.
Touch screen
The touch screen duplicates many of the rotary control functions and is also extensively used
with the menu system.
Ambient light sensor
The display brightness can be adjusted either in fixed steps (using the menu) or it can be set
to automatically adjust depending on the amount of ambient light measured at the sensor.
Page 6
Rotary control
with push down
button
Touch screen
Ambient light
sensor
Main display - receive
Notes: requency display flashes when signal received above squelch level. Signal strength
readout in dbm only visible when signal above squelch level.
Internal channel storage can be edited via the Menu -> head setup.
urther channel storage options available via downloaded channel lists from external
equipment depending on protocols selected and availability of such functionality on external
equipment such as E IS systems.
Touching playback plays back last received message. If pressed again while message is
playing back - advances to next older message. If playback allowed to finish, next playback
Page 7
The active
requency
Touch here to
lip active and
Standby frequencies
Text related to frequency
rom channel storage
Current receive
Signal level in dbm
Standby frequency,
Monitored if scanning
Active.
Touch here to enter
New standby frequency
Using numeric keypad
Touch here to playback
Last received message(s)
Touch here to
Setup
Transceiver and
head
Touch here
To select standby
requency from
Channel storage
Touch here
To switch scanning
On and off.
Touch here
To set volume or
Squelch levels
requests starts from latest message again. Playback may also be activated via a remote
switch.
Channel based frequency selection may be operated via remote switches. This can be
configured to operate in various modes and number of switches.
Main display - transmit
Notes: TX power and VSWR are only shown during TX if "Show TX Info" is selected in Menu
-> Head. If not selected, the standby frequency will be shown in this field.
Current modulation is derived from actual demodulation of the outgoing TX carrier wave and
is a true reflection of modulation of the carrier.
Transmit power is a true R forward power measurement using a directional coupler at the
antenna connector. Typical readings are around 10W (or 5W if low power TX mode selected).
Power readings can vary depending on tuned frequency, antenna match at that frequency,
internal temperature of the transmitter (if exceeding high levels) or power supply voltage if
below 13.8V DC during transmit.
VSWR reading is taken from a directional coupler at the antenna connector which looks into
the transmitter harmonics filter as termination. Due to variable impedance at this location the
VSWR reading may differ slightly from that of a similar meter inserted at the antenna but
nevertheless is a good indication of antenna match. A good antenna match would give
readings below 1.5 at any frequency. Readings above 2.0 should be investigated and may
indicate a badly tuned or unsuitable antenna. Transmitting into a 50 ohm R dummy load
produces a perfect match and a reading of 1.0.
Page 8
Active frequency
Currently transmitting
Current modulation
Of TX carrier. Visual
Check of actual TX signal.
Current antenna match
Expressed as
Voltage standing wave
Ratio (VSWR)
Current
Average transmit
Power (carrier
Power) expressed
In Watts
Messages
Messages requiring alerts alternate with the standby frequency field. The following messages
may be displayed:
STUCK PTT !!!
This displays when transmission has been active for 35 seconds. The V16 conforms to the
requirements of DO-207. After 35 seconds the V16 reverts back to receive mode even if the
PTT remains active. Releasing PTT resets the 35 second timer and a new transmission may
commence.
V16 FAULT
This displays if the internal self diagnostics of the V16 transceiver has detected an internal
fault that may cause incorrect operation. Please make arrangements to have your V16
transceiver checked and if required, repaired by a qualified service lab.
Antenna !
This message will be displayed in case of a very bad antenna match during transmit. If this
message appears transmit power will have been reduced automatically to prevent destruction
of the transmitter.
Please check your antenna and antenna cable as well as connectors for shorts or open
circuits. If this happens with an antenna that was previously operating fine, check connectivity
to the antenna ground plane and check for corrosion.
Page 9
or new installations, please ensure that your antenna has a properly configured ground
plane of sufficient size.
Page 10
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