Display; Com Specifications - Garmin GTR 225 Installation Manual

1.3.3

Display

The display on the GTR/GNC is a sunlight readable LCD display.
Characteristics
Display Size
Active Area
Resolution
Viewing Angle
1.3.4

COM Specifications

1.3.4.1 COM Transmitter Specifications
Characteristics
Classes
Microphone Input
Modulation Capability
Modulation
Frequency Range
Frequency Tolerance
Output Power
Duty Cycle
Carrier Noise Level
Stuck Mic Time-Out
Demodulated Audio Distortion
Sidetone
190-01182-02
Rev. B
Specifications
Width: 3.46" (88.0mm)
Height: 0.843" (21.4mm)
Width: 2.95" (74.98mm)
Height: 0.486" (12.36mm)
200 x 33 pixels
Left: 45
Right: 45°
Up: 10
Down: 30
Specifications
3, 4, 5, 6
Two inputs, standard carbon or dynamic mic with integrated preamp
providing minimum 70 mVRMS into 1000 Ω load
85% with 100 to 1000 mVRMS microphone input at 1000 Hz
AM Double sided
Emission Designator:
6K00A3E (118 - 136.975 MHz)
5K60A3E (118 - 136.992 MHz)
118.000 to 136.975 MHz, 25 kHz channel spacing
118.000 to 136.992 MHz, 8.33 kHz channel spacing
+/-2ppm from -40°C to +70°C
10 Watt Mode: 10 watts minimum
16 Watt Mode: 16 watts minimum
10W: 100%
16W: Recommended 25% (5 seconds on/15 seconds off,
15 seconds on/45 seconds off, etc.)
At least 35 dB (SNR).
30 seconds time-out, reverts to receive
Less than 5% distortion when the transmitter is at 85% modulation
at 350 to 2500 Hz
1.4 Vrms into a 500 Ω load
GTR 225/GNC 255 TSO Installation Manual
Page 1-3