Thrane and Thrane A S SP3550 UHF Transceiver User Manual SP3550

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Document ID	891441
Application ID	6ra/ufDeBCMZpwk/oImttw==
Document Description	user manual part 2
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	132.71kB (1658875 bits)
Date Submitted	2008-01-21 00:00:00
Date Available	2008-01-22 00:00:00
Creation Date	2008-01-21 11:20:08
Producing Software	Acrobat Distiller 6.0 (Windows)
Document Lastmod	2008-01-21 11:20:23
Document Title	SP3550.book
Document Creator	FrameMaker 7.2
Document Author:	cma

Equipment and accessories
Accessories you may buy
Accessory
Dual Position Charger CH3508
Leather Case
Part number
403508A
403500-205
Warning!
The display must always be kept away from the body to reduce the RF
exposure when body worn.
26
0740
Equipment and accessories
Attaching and removing the belt clip
To attach the belt clip, slide the belt clip upwards
into the rails at the back of the radio until it locks.
To remove the belt clip, press the projection at
the top of the belt clip to release the lock and
slide the belt clip downwards out of the rails.
Release lock
Attaching the lanyard
Do as follows:
Top view
1.
Take the lanyard through the
eye at the top of the radio.
2. Put one end of the lanyard
through the loop at the other
end of the lanyard and pull to
tighten.
0740
27
Equipment and accessories
28
0740
Chapter 6
Troubleshooting
Displaying errors
Some errors result in an error message in the display. These error
messages are listed below.
Display text
Err
EMPTY BAT
Err
Problem
Actions
Change/recharge
Severe.
The battery voltage is
Radio is non- the battery.
below a critical level,
functional.
where further operation
would damage the battery.
Hardware error.
Service required.
Severe.
Radio is nonfunctional.
Context fails operation.
This text will appear on
the following occasions:
Fail
operation
HW ERR
ILLEGAL
Type
Consider operation
in a different
context.
• Multiple watch is
selected on channel 16,
or in channel regions
where it is not allowed.
• High power is selected
on a channel where it is
prohibited.
• Transmission on
blocked channels
0730
29
Troubleshooting
30
0730
Appendix A
Technical specifications
Technical data SP3550
General
Item
Specification
RX frequency range
440.000 - 470.000 MHz
TX frequency range
440.000 - 470.000 MHz
Modulation
25 kHz
16K0G3E
12.5 kHz
8K50G3E
Power supply
7.2 VDC Li battery
Current drain at 5 W TX
1.8 A
Current drain at 1 W TX
0.9 A
Current drain RX max audio
0.25 A
Antenna port
50 ohm
Battery
Lithium-Ion, 1800 mAh rechargeable
Operating temperature
-20°C to +55°C
Water ingress protection
IP67
Frequency stability
Better than ±1.0 kHz
Weight with battery
340g
0740
31
Technical specifications
Transmitter
Item
Specification
RF output power, landmobile
4.8 W ±1 dB / 0.3 W ±1 dB
RF output power, maritime
1.8 W radiated / 0.3 W radiated
Max deviation
25 kHz
±5 kHz
12.5 kHz
±2.5 kHz
Spurious emission
< 0.25 µW
Adjacent channel power
25 kHz
> 70 dB
12.5 kHz
> 60 dB
Receiver
Item
Specification
Sensitivity (20 dB SINAD)
-117 dBm typical
Intermodulation
Better than
EN 300 720
68 dB
EN 300 086
65 dB
Spurious response
32
> 70 dB
0740
Technical specifications
Item
Specification
Adjacent channel selectivity
25 kHz
> 70 dB
12.5 kHz
> 60 dB
Audio output, internal
0.25 W at 10% dist.
Audio output, external
0.25 W/8 ohm
0740
33
Technical specifications
Battery life guidelines
Battery (rechargeable)
Note
New batteries should be placed in the charger for minimum 12
hours first time.
During daily use, always keep the battery fully charged and away from
hot areas.
Keep the battery terminals dry and clean.
Never discharge beyond the specifications of the battery.
Operation/Standby time depends on usage. Generally, the more the radio
is transmitting, the faster it will drain the battery. Also, the “Hi” power
setting will drain the battery faster than the “Lo” setting.
Approximate figures are:
•
A battery can be stored for 4 to 6 month at 25°C if charged to 25%.
•
The battery will normally last for 5 to 9 hours of use on a fully
charged battery.
34
0730
Technical specifications
Dimensional drawing, transceiver
0730
35

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