General Precautions; Radio Maintenance; Cleaning Battery Packs; Cleaning The Radio - Midland Alan HP446 extrá Manuel D'utilisation

d. Check the life of the battery the next time it is used, repeat steps a. to c.
if memory effect is still present.
Note: If the problem persists then the battery pack is probably faulty, in
which case contact your dealer to arrange for purchase of a replacement
battery.

General Precautions

Please follow these precautions to avoid damage to the battery pack or the
transceiver.
• Do not short-circuit the battery terminals, this may cause a fire or an
explosion.
• Always un-plug the AC adaptor from the AC power source before
attempting to clean the charger or the radio.
• Do not store batteries to temperatures below -20°C or above +35°C
during normal use and do not charge batteries at temperatures below
+5°C or above +55°C.

RADIO MAINTENANCE

Cleaning battery packs

The battery contacts may be wiped with a clean, lint free cloth to remove any
grease or dirt which may prevent a good electrical contact. A soft pencil eras-
er (not an abrasive ink eraser) may be used if the contacts are very dirty.

Cleaning the radio

The radio may be wiped with a clean, lint free cloth to remove any grease or
dirt, stubborn marks may be removed by the use of a damp cloth.
Note: If your radio is to be used in harsh or dusty environments it is recom-
mended to use the carry cases available for this model.

Connectors

When not in use the accessory connectors should be fitted with the protec-
tive covers supplied.
• Do not use any liquid alcohol or inadequate cleaners.
10

Optional accessories

Optional accessories
A full range of optional accessories is available.
Please refer to table "B".
• Spare battery pack. Extends the talk time of the radio and may reduce
the likelihood of memory effect.
• Carry case. Protects the radio against knocks and guards against
scratches, ideal for use in harsh environments.

MICROPHONE CONNECTOR

The microphone connector is designed for the use of external audio acces-
sories:
• External speaker/microphone. Allows use of the radio while being firm-
ly secured to a belt or tucked inside a protective coat.
• External headset with built-in VOX microphone. Allows use of the
radio in hands-free mode.
Connection specifications are:
• Jack connectors for speaker (SPK) and microphone (MIC) must be stan-
dard 3.5mm and 2.5mm types respectively and be connected as follows:
Mic GN
MIC
Spk SPK
• The suggested speaker impedance
is 8Ω.
• The microphone should be a low-
impedance condenser type.
Note: Do not connect any accessory
which you are unsure of, if in doubt
contact your dealer.