SUUNTO SPYDER User Manual

Page 55

The entered Altitude Adjustment Mode is indicated by a bar graph with one to

three bars (A0, A1, or A2) and a mountain symbol. Section 5.4, Altitude Adjust-

ment and Personal Adjustment Setting describes how the Altitude Mode is ad-

justed.
Personal Adjustment
Factors that may affect susceptibility to decompression sickness vary between

divers and also for the same diver from one day to another. The three-step Personal

Adjustment Mode is available to the user, if a more conservative dive plan is desired.
The factors, which tend to increase the possibility of DCS, include but are not

limited to:
cold exposure - water temperature less than 20 ºC [68 ºF]

the diver is below average physical fitness level

multiday or repetitive dive exposure

diver fatigue

diver dehydration

previous history of DCS
The entered Personal Adjustment Mode is indicated by a bar graph with one to

three bars (P0, P1, or P2) and a diver symbol. Section 5.4, Altitude Adjustment and

Personal Adjustment Setting describes how the Personal Mode is adjusted.
This feature should be used to adjust the computer more conservative according to

personal preference by entering the suitable Personal Adjustment Mode with the

help of Table 4.3. In ideal conditions, retain the default setting, P0. If conditions

are more difficult or other mentioned factors exist, select P1 or even the most con-