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TQ KRT2-S User Manual
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Oper
atio
n an
d Inst
all
ation
Manu
al
KRT2 VHF
-
C
ommun
icat
ion
Tran
sceiv
er
Doc.
-No:
KRT2.A
-
MAN.
e
n
Rev
.
010
1
Page
52
7.
Maintenance
7.1
Periodic Maintenance
There are no scheduled service tasks required on
the KRT
-
2 VHF unit.
7.2
Repair
Only exchange and flat repair of the e
quipment is permitted. In case of e
quipment failure, the unit
must be sent to the man
ufacturer. Refer to section “1.2
Cus
tomer Se
rvi
ce”.
7.3
Cleaning
Clean the display only w
ith, lint
-
fr
ee cloth and an
eyeglass lens cleaner that is specified as saf
e for
anti
-
reflective coatings.
51
53
Table of Contents
Record of Revisions
2
Service Bulletins (SB)
3
Table 2: Service Bulletins
3
Table of Contents
4
1 General
7
Symbols
7
Acronyms
7
Table 3: Acronyms
7
Customer Service
8
KRT2 Transceiver Properties
8
2 Installation Limitation
9
Installation
9
Aircraft Radio
9
Quantitative Safety Objective Identification
9
Deviations
9
3 CONTROL General
10
Control Elements Overview
10
Figure 1: KRT2-S Front View
10
Figure 2: KRT2-P Front View
11
Figure 3: KRT2-L Front View
12
Table 4: KRT2 Controls
13
Display
14
Table 5: KRT2 Display
14
Menu Levels
15
Self-Test Error Reports
15
Table 6: KRT2 Menu Levels
15
Table 7: KRT2 Built in Tests (BIT)
15
4 Operation
16
General
16
ON / off Switching
16
Frequency Selection
17
Direct Frequency Selection
17
Frequency Selection from Favourites List
18
Storing and Editing Favourites
18
AUD - Audio Menu
20
VOL - Volume
20
SQ - Squelch
20
VOX - Intercom Voice Trigger Level Setting
21
Manual Intercom
21
Txm - PTT Switch Selection
21
INT - Intercom Volume
22
EXT - External Audio Input Volume
22
DIM - Display Brightness
22
BAT - Battery Test
23
SIT - Side Tone
23
MIC - Setup
23
Menu Lock
25
Table 8: KRT2 Menu Lock
25
DUAL Watch
26
Figure 4: KRT2 Active & Standby Frequencies
26
Transmitter Operation
27
Figure 5: KRT2 TX & RX Operations
27
Optical Side Tone
28
Self-Test Monitor
28
Two PTT Configuration
28
Resetting to Factory Settings
29
SET up - Menu
29
ERASE - Erasing of Favourites List
30
Channel Spacing
30
5 Remote Control
31
6 Installation
32
Installation Hints
32
Telecommunication Data
32
Table 9: Telecommunication Data
32
FCC Related Issues
33
Radiofrequency Radiation Exposure Information
33
Note
33
Compliance
33
Modifications
33
Scope of Delivery
34
Unpacking and Inspecting the Equipment
34
Mounting
34
Electrical Connections
34
Table 10: Scope of Delivery
34
Figure 6: Headsets
35
Microphone Connection
35
Earphone Connection
36
External Audio Input
36
Speaker & Open Microphone
36
Speaker Connection
36
Final Audio Setup
37
For Glider Flights
37
For Motor Gliders Dual Seaters
37
For Motor Planes
37
Wiring
38
Wire Gauges
38
Connector Pin-Configuration
38
Figure 7: Connector Pinout
38
Figure 8: Remote Control Pinout
38
General Hint
39
Wiring Diagrams
40
Wiring for Dynamic Microphones
46
Connection Support ST1 Mating Connector
46
Figure 9: KRT2 Connection Support Layout 1
46
Antenna
47
Antenna Selection
47
Installation Recommendation
47
Figure 10: KRT2 Connection Support Layout 2
47
Microphone General
48
Post-Installation Check
48
Starting up
49
Accessories
49
Drawings
49
Dimensions
49
Figure 11: KRT2-S Dimensions
49
Figure 12: KRT2-P, KRT2-L Dimensions
50
Figure 13: KRT2-RC Remote Control Dimensions
50
Installation Directions
51
Figure 14: KRT2-S Panel Cutout
51
Figure 15: KRT2-P, KRT2-L Panel Cutout
51
7 Maintenance
52
Periodic Maintenance
52
Repair
52
Cleaning
52
8 Annex
53
Frequency / Channel - Schedule
53
Table 11: Frequencies
53
Technical Data
54
Table 12: Technical Data General
54
Table 13: Technical Data Transmitter
55
Table 14: Technical Data Receiver
55
4
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TQ KRT2-S Specifications
General
Brand
TQ
Model
KRT2-S
Category
Transceiver
Language
English
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