Zartek ZA-711 User Manual - page 17
Specification
Frequency Range
Channel Capacity
Frequency Spacing
Working Voltage
Frequency Stability
Operating Temperature Range
Antenna Impedance
Dimension excl Antenna
Weight
Battery Capacity
Battery Operating Time Average
Output power
Modulation Mode
Maximum Frequency Deviation
Audio Distortion
Residual frequency modulation
Adjacent Channel Power
Spurious and Harmonic Wave
Receiving Sensitivity
Adjacent Channels Selectivity
Intermediation
Spurious Response
SNR
Audio Output Power
Audio Distortion
136 – 174 MHz
16
25kHz/12.5kHz
7.4V
±2.5ppm
-25℃~ +55℃
50Ω
113mm×57mm×34.5mm( (L×W×H))
200g(including Antenna and Battery)
1100mAH
17 hours (1W), 10 hours (5W) on
5:5:90 duty cycle
1 / 5 W
16kΦF3E/8kΦF3E
±5kHz/±2.5kHz
≤5%
-40dB /-35dB
-70dB /-60dB
-36dBm<1GHz -30dBm>1GHz
≤0.18uV/0.22uV
≥70dB/60dB
≥60dB
≥70dB
≥50/45dB
0.5W
≤5%
GENERAL
TRANSMITTER
RECEIVER
Troubleshooting
Problem
No power.
Battery power dies shortly
after charging.
Cannot talk to or hear
other members in your
group.
Other voices (besides
group members) are
present on the channels.
The transceiver
continuously rings
Solution
The battery pack may be dead.
Recharge or replace the battery pack
The battery pack may not be installed
correctly. Remove the battery pack and
install it again.
The battery pack life is finished. Replace
the battery pack with a new one.
Make sure you are using the same
frequency and QT/DQT as the other
members in your group.
Other group members may be too far
away.
Make sure you are within range of the
other transceivers.
Change the QT/DQT.
Be sure to change the tone on all
transceivers in your group.
Channel programming is empty.
Remarks
No function
The radio will monitor all activity on the
frequency and accept week or coded
(QT/DQT) signals. SK1 is Factory programmed
on Monitor Momentary (short press)
Start Scan.
Voice activation is used to operate the radio in
hands-free mode or as a noise / baby monitor.
The radio will begin transmitting when a noise
or voice is heard.
Indicates the level of charge remaining in the
battery.
SK2 is Factory programmed on
Battery Level check (short press)
Sends a loud 3 second ring tone to alert other
radios.
SK1 is Factory programmed on Call
Ring, Hold in to activate (long press)