Hytera tm-800 Guide

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Adjustment Description
The radio can be adjusted by PC programming software or by manual adjustment. Manual adjustment
procedure of TM800 is as follows. (Refer to “Test Mode” and “Adjustment mode” in the section Radio
Modes.)
Instrument:
Radio Communication Test Set 1 set
Scanner 1 set
20A/30V Power Supply 1 set
DigitalVoltmeter 1set
PowerMeter 1set
Signal Line (with dummy load) 1 pcs
Adjustment:
1. Download
● Connect the radio with PC by programming cable; Turn the radio on.
● Click “Download” on software interface;
● Select the desired program and click “Open”, download starts.
● Click “End” when download is completed.
● Turn the radio off and remove the programming cable.
2. Initialization
It’s necessary to set the frequency and initialize the radio before adjustment because there is no
needed information in FLASHROM when the radio is manufactured.
● Turn the power on while holding down [PF2], then press [PF3], [PF4] and [PF6] in sequence.
● The LED on control panel turns green from red, indicating that the initialization is completed.
3. Adjustment
Some items can be adjusted in conventional mode and the others in manual adjust mode.
● Turn the power on to enter conventional mode.
● Switch the power off and back on while holding down [PF6], the radio enters manual adjust mode.
The channel number is displayed on the LCD.
● Frequency list

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Model RX/TX 1 ( FC ) 2 (F L ) 3 (FH ) 4 5 6 7 8
RX(MHz) 155.15 136.15 173.85 145.55 164.55 155.00 155.20 155.40
0
（V）TX(MHz) 155.00 136.00 174.00 145.50 164.50 155.00 155.20 155.40
RX(MHz) 481.15 450.15 511.85 465.55 496.55 481.00 481.20 481.40
1
（U1）TX(MHz) 481.00 450.00 512.00 465.50 496.50 481.00 481.20 481.40
RX(MHz) 375.15 350.15 399.85 362.55 387.55 375.00 375.20 375.40
2
（U2）TX(MHz) 375.00 350.00 400.00 362.50 387.50 375.00 375.20 375.40
RX(MHz) 435.15 400.15 469.85 417.55 452.55 435.00 435.20 435.40
3
（U3）TX(MHz) 435.00 400.00 470.00 417.50 452.50 435.00 435.20 435.40
RX(MHz) 465.15 440.15 489.85 452.55 477.55 465.00 465.20 465.40
4
（U4）TX(MHz) 465.00 440.00 490.00 452.50 477.50 465.00 465.20 465.40
RX(MHz) 503.15 480.15 525.85 491.75 515.25 503.00 503.20 503.40
5
（U5）TX(MHz) 503.00 480.00 526.00 491.70 515.20 503.00 503.20 503.40
RX(MHz) 425.15 400.15 449.85 412.55 437.55 425.00 425.20 425.40
6
（U6）TX(MHz) 425.00 400.00 450.00 412.50 437.50 425.00 425.20 425.40
VCO
Measurement Adjustment
Item Condition Test Instrument Terminal Part Method
Specification /
Remarks
1. Power supply 1.Power supply
voltage DC13.6V
Note: 1. This radio may be installed in negative
ground electrical systems only. Reverse polarity
will cause the cable fuse to blow. Check the
vehicle ground polarity before installation to
prevent wasted time and effort.
2. If DC power is to be controlled by the vehicle ignition switch, a switching relay
should be used to switch the positive power lead. The vehicle ignition switch
then controls DC to the relay coil.
1.CH: TX HI 7.1V±0.1V
2. VCO lock voltage
(TX) 2.CH: TX LO
TC1
Check ＞1.8V
1.CH: RX HI 7.1V±0.1V
3. VCO lock voltage
(RX) 2.CH: RX LO
Digital Voltmeter CV
TC2
Check ＞1.8V

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Transmitter
Measurement Adjustment
Item Condition Test Instrument Terminal Part Method
Specification
/Remarks
4.TX
Frequency
Enter adjustment item
“1”, each Ch
corresponds to a
specific TX Freq
Radio
Communication
Test Set
ANT
A
djust software
settings
A
djust to Ch frequency Error <50Hz
High power:
PO=50±0.5W
I≤12.0A
Check High
power
Middle power:
PO=25±0.5W
I≤8.0A
Check
Middle
power
5.TX Power
Each Ch corresponds to
a specific TX Freq,
enter adjustment item
“2”, adjust H/M/L power
Radio
Communication
Test Set
Ammeter
ANT
A
djust software
setting (first
value is 220) and
VR101, press
[PF6] to save
and enters the
next item.
Low power:
PO=5±0.5W
I≤5.0A
Check Low
power
Check deviation at
CH L/C/H:
3.75±0.1KHz (W)
6. Max.
Deviation
1. Each Ch corresponds
to a specific TX Freq,
enter adjustment item
“3”, turn to CH (C),
CH(L), CH(H), CH(nC)
Radio
Communication
Test Set
FILTER:
0.05-15KHz
AF:1KHz
50mV
ANT
MIC Jack
A
djust software
settings, press
[PF6] to save
and enters the
next item
Check deviation at
CH L/C/H:
1.75±0.1KHz (N)
7. Modulation
Sensitivity
Check deviation:
2.6KHz-3.4KHz (W)
1.3KHz-1.7KHz (N)
8.
Modulation
Distortion
1. Each Ch corresponds
to a specific TX Freq
Radio
Communication
Test Set
FILTER:
0.05-15KHz
AF:1KHz
7mV
ANT
MIC Jack
≤3%
Check

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9.CDCSS
Balance
Each Ch corresponds
to a specific TX Freq,
enter adjustment item
“4”
Radio
Communication
Test Set
FILTER
LPF: 300Hz
ANT
Change
CDCSS
settings with
Selector Knob
Check
waveform
10. CTCSS
Deviation
Each Ch corresponds
to a specific TX Freq,
enter adjustment item
“5”, adjust
67Hz/127.3Hz/254.1Hz
CTCSS
Radio
Communication
Test Set
FILTER
LPF: 300Hz
ANT
Change CTCSS
settings with
Selector Knob
A
djust deviation to
0.75KHz±0.10KHz (W)
0.37KHz±0.05KHz (N)
11. CDCSS
Deviation
Each Ch corresponds
to a specific TX Freq,
enter adjustment
item“6”
Radio
Communication
Test Set
FILTER
LPF: 300Hz
ANT
Change
CDCSS
settings with
Selector Knob
A
djust deviation to
0.75KHz±0.10KHz (W)
0.37KHz±0.05KHz (N)
12. DTMF
Deviation
Each Ch corresponds
to a specific TX Freq,
enter adjustment item
“7”
Radio
Communication
Test Set
FILTER
LPF: 3KHz
ANT
Change
DTMF
settings with
Selector Knob
3.0KHz±0.1KHz (W)
1.5KHz±0.1KHz (N)
13. MSK
Each Ch corresponds
to a specific TX Freq,
enter adjustment item
“8”
Radio
Communication
Test Set
FILTER
LPF: 3KHz
ANT
Change MSK
settings with
Selector Knob
3.0KHz±0.1KHz (W)
1.5KHz±0.1KHz (N)
14. 2-TONE/
5-TONE
Each Ch corresponds
to a specific TX Freq,
enter adjustment item
“9”
Radio
Communication
Test Set
FILTER
LPF: 3KHz
ANT
Change 2-tone/
5-tone settings
with Selector
Knob
A
djust deviation to
3.0KHz±0.10KHz (W)
1.5KHz±0.1KHz (N)

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Receiver
Measurement Adjustment
Item Condition Test Instrument Terminal Part Method
Specification
/Remarks
15. RF
bandpass
filter
Enter adjustment
item “10”, each Ch
corresponds to a
specific RX Freq
Scanner ANT . TP1
A
djust
software
settings
A
djust the gain to
the Max. value, the
corresponding freq
is on the rightmost
to bandpass
waveform. Press
[PF6] to save.
16. max
SINAD
CH: RX Center,
turn to CH1(C);
corresponds to a
specific RX Freq
Radio Communication
Test Set
SSG output: -47dBm
MOD:1KHz
DEV:±3KHz(W)
±1.5KHz(N)
FILTER: 0.3-3.0KHz
ANT
SP Jack
L135
A
djust the
L135,make SINAD
is max
The max volume :
4.6V or higher
1.CH: RX Center,
turn to CH1(C) in
manual adjust mode
2. CH: RX LO, turn to
CH2(L) in manual
adjust mode
17.
Sensitivity
3.CH:RX HI, turn to
CH3(H) in manual
adjust mode
Radio Communication
Test Set
SSG output:
-118dBm
MOD:1KHz
DEV:±3KHz(W)
±1.5KHz(N)
FILTER: 0.3-3.0KHz
ANT
SP Jack
W/N switch
(turn on power
while holding
down [PF6] to
enter Channel
Set Mode)
[UP]/ [DOWN] to
change channel
Check
SINAD:
12dB or higher

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Note: The radio must be covered with aluminum chassis when adjusting sensitivity; Connect an RF
power meter to the antenna connector while TX; Connect a SINAD meter with a 16ohm load to the
external [SP] jack.
Radio Communication
Test Set
SSG output:
-120dBm (level 3)
18. SQ Open
Enter adjustment item
“11”, turn to
CH (H), CH(C), CH (L) SSG output
-112dBm (level 9)
A
djust software
settings at SQL3
and SQL9，press
[PF6] to save.
Press [PF2] to
adjust software
settings , open
the squelch
while the value
is changeless
Radio Communication
Test Set
SSG output:
-122dBm (level 3)
19.SQ Close
Enter adjustment item
“12”, turn to
CH (H), CH(C), CH (L) SSG output:
-114dBm (level 9)
ANT
SP Jack
A
djust
software
setting
A
djust software
settings at SQL3
and SQL9，press
[PF6] to save.
Press [PF2] to
adjust software
settings, close
the squelch
while the value
is changeless
20. Distortion DIS≤3%
21. S/N
1.CH: RX Center
Radio Communication
Test Set
SSG output:
-60dBm
ANT
SP Jack
FILTER:
0.3-3.0KHz
Check S/N≥48 (W)
S/N≥42 (N)

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Terminal Function
1. Display Unit
Pin No. Name Description
J501 (To MIC Jack)
1 MBL MIC backlight control signal output. “H”: On, “L”:Off.
2 PSB Power outputs after power switch (13.6V+15%).
3 GND Ground.
4 PTT/TXD PTT signal input/ Serial data output.
5 ME MIC ground.
6 MIC MIC signal input.
7 HOOK/RXD Hook signal input/ Serial data input.
8 CM Serial data input for keypad MIC.
J503(To DISPLAY UNIT)
1 VCC +5V.
2 E Ground.
3 LCDCK Clock output for LCD driver.
4 LCDW LCD data write.
5 LCDR LCD data read.
6 LCDCS LCD control signal output.
7 LCD LCD display contrast.
8 LAMP Power for backlight.
J504 (To DISPLAY UNIT)
1 ME MIC ground.
2 MIC MIC signal output.
3 E Ground.
4 REST Reset signal input.
5 TXD2 Serial data output.
6 RXD2 Serial data input.
7 E Ground.
8 PSW Power switch control signal output.
9 SB Power input after power switch (13.6V+15%).
10 SP1 BTL input for remote speaker output.
11 SP2 BTL input for remote speaker output...
J505 (To Speaker)
1 SP1 BTL input for remote speaker output.
2 SP2 BTL input for remote speaker output.

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2. TX-RX Unit
Pin No. Name Description
J101 (To DISPLAY UNIT)
1 ME MIC ground.
2 MIC MIC signal output.
3 E Ground.
4 REST Reset signal input.
5 TXD2 Serial data output.
6 RXD2 Serial data input.
7 E Ground.
8 PSW Power switch control signal output.
9 SB Power input after power switch (13.6V+15%).
10 SP1 BTL input for remote speaker output.
11 SP2 BTL input for remote speaker output.
J104 (To VCO UNIT)
1 ST TX RX switch.
2 HT RF output.
3 E GND.
4 8C +8V.
5 MD Modulate output.
6 CV Control voltage.
J108(To POWER)
1 +B 13.6V+0.5V
J110(To EXTSP)
Pin No. Name Description
1 OUT2 Output to speaker.
2 SP2 BTL input for remote speaker output.
3 SP1 BTL input for remote speaker output.
4 GND GND.

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Pin No. Name Description
J111 (at the rear panel; to Secondary Development Interface)
1 TXD0 Serial data input.
2 RXD0 Serial data output.
3 MIC2 External MIC signal output.
4 ME MIC ground.
5 AFO Filtered Audio output.
6 AUX5 Programmable auxiliary port.
7 AUX4 Programmable auxiliary port.
8 AUX3 Programmable auxiliary port.
9 HRO Horn Relay Output.
10 HRI Horn Relay Input.
11 PA1 MIC signal output.
12 PA2 MIC signal output.
13 E Ground.
14 SB Power input after power switch (13.6V+15%).
15 IGN Ignition sense input.
J109 (To Secondary Development Interface or Data Encryption and Decryption)
1 8C +8V.
2 E GND.
3 SB Power input after power switch (13.6V+15%).
4 AUX1 Programmable auxiliary port.
5 AUX6 Programmable auxiliary port.
6 AUX7 Programmable auxiliary port.
7 NC No Connection.
8 RSSI Receiver Signal Strength Indication.
9 CTO CDCSS signal output.
10 PCO Transmitting Power Control Output.
11 UL Unlock detection signal output.
12 MII Transmitting audio input.
13 MIO Transmitting audio output.
14 AFI Filtered Audio input.
15 AFO Filtered Audio output.
J102 (To Secondary Development Interface or SMARTUNK)
1 TXD1 Serial data output.
2 RXD1 Serial data input.
3 AUX5 Programmable auxiliary port.
4 DEO Receive signal detection.
5 DI Data modulate input.
6 ALT Alert hint input.
7 5V +5V.