This Watch's Warning Functions; Ascending Speed Warning Function; Abnormal Depth Warning Function - Citizen C520 Instruction Manual

K. THIS WATCH's WARNING FUNCTIONS
This watch has the following 2 warning functions.
Please use them as a guide for safe diving.
0m
15.0m
DIVE
25.0m
DIVE
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1. ASCENDING SPEED WARNING
FUNCTION
If the ascending speed during a dive exceeds
1.5m (5ft) per 10 seconds, this alarm sounds
for 10 seconds as a ascending speed warning.
When the ascending speed warning alarm is
sounding, the digital display alternately
shows SLW and the current depth.
The alarm continues
to sound until the
ascending speed
becomes normal.
DIVE
DIVE
2. ABNORMAL DEPTH WARNING
FUNCTION
During water depth measurement, the watch recog-
nizes a sudden change in depth of 4m (15ft) in 1
second as abnormal, and ER and the current depth
alternately appear on the digital display.
ER and the current depth are alternately displayed
until Dive Mode ends.
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