1-36 (No.RA035<Rev.001>)
4.12 Common Section
3. Low power
check
(Battery volt-
age: 7.5V)
1)Test Channel
Channel: 1
Test Signaling Mode: Analog
Signaling: 1
PTT: Press [Transmit] button.
Power meter
Ammeter
Panel
ANT
Check
0.75W~1.25W
1.2A or less
2)Test Channel
Channel: 2
Test Signaling Mode: Analog
Signaling: 1
PTT: Press [Transmit] button.
Power meter
Ammeter
Panel
ANT
Check
0.75W~1.25W
1.2A or less
3)Test Channel
Channel: 3
Test Signaling Mode: Analog
Signaling: 1
PTT: Press [Transmit] button.
Power meter
Ammeter
Panel
ANT
Check
0.75W~1.25W
1.2A or less
4. MIC sensi-
tivity check
1)Test Channel
Channel: 1
Test Signaling Mode: Analog
Signaling: 1
AG: 1kHz
PTT: Press [Transmit] button.
Deviation
meter
Oscilloscope
AG
AF VM
Panel
ANT
SP/MIC
connector
Adjust AG
input to get
a standard
MOD.
15.0mV
±7.0mV
5. Sensitivity
check
1)Test Channel
Channel: 1
Test Signaling Mode: Analog
Signaling: 1
SSG output
Wide 5k: -115dBm (0.40
μ
V)
(MOD: 1kHz/±3kHz)
Wide 4k: -115dBm (0.40
μ
V)
(MOD: 1kHz/±2.4kHz)
Narrow: -115dBm (0.40
μ
V)
(MOD: 1kHz/±1.5kHz)
SSG
AF VTVM
Oscilloscope
Distortion
meter
8
Ω
Dummy
load
Panel
ANT
SP/MIC
connector
Check
12dB SINAD
or more
Item
Condition
Measurement
Adjustment
Specifications
/Remarks
PC test mode
Test-
equipment
Unit
Terminal
Unit
Parts
Method
Item
Condition
Measurement
Adjustment
Specifications
/Remarks
PC test mode
Test-
equipment
Unit Terminal Unit Parts
Method
1. Setting 1) BATT terminal voltage:7.5V
2) SSG standard modulation
[Wide 5k] MOD:1kHz,DEV:3kHz
[Wide 4k] MOD:1kHz,DEV:2.4kHz
[Narrow] MOD:1kHz,DEV:1.5kHz
2. Receive
Assist
1) Adj item: [Receive Assist]
2) Adj item: [Low], [Low’], [Center],
[High’], [High]
Press [Apply All] button to store
the adjustment value.
Panel [FPU]
[<][>]
[V] indicator on the PC
window shows VCO
lock voltage.
Change the adjustment
value to get VCO lock
voltage within the limit of
the specified voltage.
Note:
Confirm the VCO lock
voltage approximate-
ly 3 seconds after the
adjustment value is
changed.
2.4~2.6V
Press [Apply All]
button to store
the adjustment
value after all
adjustment
point have been
adjusted.
Summary of Contents for TK-D240
Page 48: ... No RA035 Rev 001 2 2 MEMO ...