User's Manual
Table Of Contents
Do no t use the following items i n ex treme t emperatures or high humidity. Use i n temperatures
between 5 °C–35°C and humidity within 35% –85% ( limited u se i n t emperatures between
36°C–40°C).
-DIGNO DUAL (YAKF-1) unit
-battery
Depending on operation and conditions of use, handset may become hot. Charging may then stop
as a safety precaution. Handset will power off if use is continued when hot.
Clean External Device Port with a cotton swab occasionally. If dirty, may cause poor connection.
Do not apply force and deform or scratch terminals.
To clean handset, wipe it with dry, soft cloth. Do not use benzene, thinner, alcohol, soap, or other
solvents. Doing so may discolor or remove exterior features or print.
Before removing battery, power off handset and wait for Display to dim. Not doing so may cause
saved content to be altered or erased.
Usable battery time decreases in extreme temperature conditions (left in car with closed windows
on a hot d ay, et c.). B attery l ife also s hortens. U sing hand set at r oom temperature i s
recommended.
Before ex tended per iod o f di suse, r emove bat tery and s tore i n battery c ase aw ay f rom hi gh
temperature and humidity (battery case supplied with spare battery (sold separately)). Note that
not energizing handset for extended period may cause content in handset to be erased.
Battery is near end of i ts l ife when c harging no l onger restores handset functionality or bul ges
appear. Purchase a specified battery. Life depends on conditions of usage.
For environmental reasons, do not dispose of battery with other waste. B ring us ed battery t o a
WILLCOM Plaza/WILLCOM Counter or recycling center.
For collection and recycling of rechargeable batteries and recycling center information:
Battery Association of Japan
Tel: 03-3434-0261
Website: http://www.baj.or.jp
Handset Display pixels may be missing or remain lit. This is not a defect or malfunction.
Do not subject Display to strong shock such pressing forcefully or hitting it. May cause scratches
or breakage.
Display uses high-transparency glass, and can appear dirty due to smudging, dust, etc. To clean,
wipe with a dry, soft cloth.
Do not rub or scratch Display or Camera Lens with a hard object.
When placing handset in a pocket or bag, ensure that metal or other hard materials do not contact
Display. B e c areful w ith ha ndset s trap having m etal or ot her h ard parts, w hich m ay c ause
scratches or breakage.