CR40/42/50 MKII Introduction and safety summary
Chapter 1
6
For quick location of a certain term, please check the ”Glossary of terms” and the
”Index” at the back of the manual.
How to interpret special marked key symbols, etc. in the manual:
+/-
Either the + (plus) or – (minus) key may be applied.
0-9
Alpha-numeric keys for insertion of figures.
A-Z
Alpha-numeric keys for insertion of letters.
)
Emphasizes important points.
1,3
Indicates that you should press the keys
[1]
and
[3]
to obtain what is
written in
italic
next to the keys.
1.2 Safety summary
Precaution
The operating unit should not be exposed to direct sunlight, as
“boiling” the display may cause too high temperatures internally and subse-
quently damage parts of the unit beyond repair.
Quality service personnel
The CRXX is sealed and does not contain any user
serviceable parts. Opening of the unit will void its warranty. Touching electrical
parts inside may cause bodily harm or death. If the unit is not working properly,
please check section 9.12 Troubleshooting. If your CRXX requires servicing or
repair, call your authorized SIMRAD dealer.
Power source, fuse and power cable
Check that the DC power supplied to the
unit is within the range of 10 to 32 volts. Note that the appropriate fuse must be
employed (see the fuse rating in section 9.13 Specifications. Ensure that the
power cord is firmly attached.
Grounding
To reduce electrical interference and risk of electrical shock,
properly ground the unit to the ship’s ground using the ground screw on the back
of the unit. Good grounding should be exercised for connected equipment, refer
to the installation & service section.
