Midland Radio 70112B User Manual

0CONTENTS

GENERAL FEATURES .................................................1

UNPACKING..................................................................2

OPTIONAL ACCESSORIES.........................................2

GETTING READY..........................................................3

DESCRIPTION...............................................................4

OPERATION..................................................................6

CHARGER AND BATTERY..........................................8

SPECIFICATIONS.........................................................9

General Features

1. Ultra compact desig n & size
(102 x 50 x 43.2mm, 335g wit h high capable batt er y )

2. Heavy durable constr uction

3. 16 channels

4. 38 CT CSS/ 8 3 CDCSS

5. PC Programmable, t r ansferable by cloni ng

6. Time-out timer (TOT)

7. Busy channel lock-out (BCLO)

8. Battery saving mode

9. Low battery alert

10. DTMF PTT-ID

11. Button lockable

12. Talki ng ra nge to 5 miles

13. Transmit o utp ut pow er High/Low

14. DC7.5V Ni-MH battery

1

Unpacking

Unpack and check that all items have been enclosed.
Packing conte nts:radioαantennaβbatterypack ( 1,350mA)

χbelt c ilpδhand s tra pεchargerφuser`s manual

α βα χ

δεφ

Optiona l Accessor ies

1. External earphone & MIC. ( APE–10)

2. Additional batt er y pac k ( 720 mAH, HM –720)

Getting Ready

1. I nst a lla tio n, Remo val Belt Clip

Installation

plastic slots of the battery pack. Slide
the belt clip onto the battery pack,
pushing firmly until a click heard.

Removal

tab wit h a fingernail or a coin (or like
instrument). While holding up the
release tab, slide the belt clip out and away from the
battery pack.

2. Installation, Removal Battery Pack

Installation

with the back of the unit facing up. Place the battery
pack against the back of t he transceiver so t hat the tabs
on the transceiver engage t he four openings in the
battery pack. Slide the battery pack toward the top of the
transceiver until a click heard.

Removal

back of t he unit facing up. With t he thumbnail of your
other hand slide the latch lever dow n. While holdi ng the
latch lever down, slide the battery pack down toward the
bottom of the transceiver. Separate the batt er y pack
from the transceiver.

: align the belt clip with the

: hold up t he belt clip releas e

: turn off the transceiver. Hold the transcei ver

: turn off the transceiver. Hold the radio with the



α

2

3. Installation Antenna
Rotate the antenna clockwise until it
is sea ted firmly.

*. Before your starting operation, make
sure the battery is fully charged.

3

⇔

√

⇐

Description

∇ Channel S ele c t knob

Rotate the Channel Selector as you desire channel
number.

 Speaker .
 Helical Antenna.





∧

∏

⋅
¬

∨

∇

∠



 Tx / Rx Indicate LED (3 colors)

Red
Green
Orange On

∏ External Earphone/M I C and Programming Jack Socket
√ Hand Strap
⋅ Antenna Connector
¬ PTT(Push To Talk) Button

Hold down to transmit, release to receive.
∧ Function Button
Refer to “OPERATION” page 7.
∨ Monitor Button

Press to monitor. Holding down over 2 seconds keeps
monitoring function on, and press shortly again or PTT
Button to stop.

⇔ Belt Clip
⇐ Battery Pack

On Transmitting
Blinking Low battery
On Receiving, monitoring
Blinking Different sub-tone when receiving

Initializing, programming and
cloning

∠ Power on / off and Volume Control Switch

Turn the transceiver on by rotating power on / off and
volume control switch clockwise and control the volume.

4

5

Operation

1. Power Turn on / off and Volume Control
Rotate the Power on/off and Volume Control Switch∠
clockwise to t urn power on, then t he LED√ lig hts ora nge

and power–up tone is generated aft er about on second,
indicating the transceiv er has passed the s elf–diagnostic.
When you turn on the transceiver, it comes same
channel and function with your last using. Rotate this

switch∠ clockwise to increase the volume or
counterclockwise to reduce the volume. Rotate it∠
counterclockwise fully to turn power off.

2. Channel Selecting
Rotate t he Channel Select knob as you desire a channel
number.

3. Transmit
Hold down the PTT Butto n¬ and talk to MIC in 5~7Cm
distance. The LED lights red on transmitting. Release
the PTT button¬ to stop transmitting.

4. Receive
Choose the channel by pressi ng Channel Select Button∇
as you desire. The LED lights green on receiving. In
case the signal doesn’t match in using sub–tone, green
light b links.

5. Monitor
Press the Monitor Button∨ to monitor. Holding down
Monitor Button∨ over 2 seconds keeps monitoring
function on, and press Monitor Button∨ shortly or press
PTT Button¬ to stop.

6. Scan

1). Scan will be s tar ted b y press a nd hold the f u nct ion
butto n more than 1 second.

In case Priority Scan not settled down

1) me m 1 ch > mem 2ch > mem 3 ch > …..
In case 1 cannel of Priority Scan is settled dow n

2) mem 1ch > pri ch > mem 2ch > pri ch > …..
In case 2 cannels of Priority Scan are settled down

3) mem 1ch > pri 1ch > pri 2ch > mem 2ch > …..

2). Tx channel of scanning
a). Priority type : priority cha nnel(the cha nnel that is set
by the channel selector)
b). Non priority type : last busy channel

3). While in scanni ng mode, function button is pressed 2
times r a p id ly the r a d io will r e turn t o the last b usy cha n nel
The pr iorit y c hannel remai ned t he channel t hat is
indicated by channel selector.

4). While t he radio is stopped scanni ng on a busy
channel, pressi ng the monitor button will cause sc an to
resume and temporarily bypass t he busy c hannel. I f the
channel become b usy again scan will stop.

5). While t he radio is stopped scanni ng on a busy
channel, press and hold t he monitor button more t han 1
second will cause this cha nnel to be deleted from scan
list until scan list is reset.

7. Se lc a ll function : will be a d de d … .

576

Charger and Batt ery

1. Battery (Ni-MH)

Voltage DC 7.5V

HM-1350 Over 8 hrsDuty time

(5-5-90)

2. Charger

Input power Free voltage (AC90~250V)
Charging time HM-1350 Appr. 100min

Operat ing temperature 0ºC~55ºC

Connect the charger to electric power supply (free voltage
AC 90~240 V). Turn the transceiver power off and p ut into
front socket of the charger. The red light turns on during
charging and the green light turns on when finished. When
you put two batteries together, the front one charges first
then the rear one starts
charging.
! When you put the

battery on rear cup of
the charger for
charging, the charger
checks voltage. If
voltage is under 7.4V,
the charger starts
discharging for 4
minutes then checks
again. If voltage is still
fewer than 7V, it
discharges until voltage is 6V then starts charging.

HM-720 Over 4 hrs

HM-720 Appr. 60min

On ChargingRed

Blinking Abnormal
Green On Fully
Orange

On Stand-by

Blinking dischargi

battery
charged
for

charging
(rear cup)

ng

Specifications

Model 70-112B
Dimension

(HxWxD)
Weight (With
Battery)
Operating Voltage DC 7.5V
Operating Temp.
Battery Life (H/L)
720mAH Battery
1,350mAH Battery
Channels 16
Privacy Codes 38 CTCSS, 83 CDCSS
Band Width 12.5KHz/25kHz switch able
Frequency Range Tx 150~174MHz

FM Hum & Noise Tx -40 dB
Rx Sensitivity -119 dBm (0.25uV)

Rx Spurious
Response
Rx Selectivity -60dB/-70dB
Rx Inter modulation -65dB
Tx Power (H/L) 4.8W/2W

Tx Spurious Rejec tion
Audio Power (8Ω)
Frequency stability

Accessories
Desk Rapid/Trickle Charger

with Adapter
720 mAH Ni-MH Battery HM-720
1,350 mAH Ni-MH Battery HM-1350

102x50x39.2mm (720mAH Battery),
102x50x43.2mm (1,350mAH Battery)

150g (243g/310g)

-30 ~ 60
(based on 5% Tx: 5% Rx: 90% STBY)
6hrs/8hrs
10hrs/15hrs

Rx 150~174MHz
Rx -40 dB

-60dB/-70dB

-60 dBc
500mW (Max.)

+/- 2.5ppm

ACR-130/1.5 hrs

8 9

User’s Manual

Land Mobile Radio (LMR)

Model: 70-112B

Airtech Information & Communication Co., Ltd.

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