Rice is mushy, I have cut the water down by one cup and it is still mushy. 2 cups rice 4 cups water down to 3 cups water

Way too much water! Use the same amount of white rice to water and a third of a cup more when using brown rice.

answer from page 6 of the instructions: http://www.aroma-housewares.com/manuals/ARC-914S_InstructionManual.pdf

UNCOOKED RICE
WATER WITH MEASURING CUP
INNER POT WATER LINE
1 Cups
1-1/2 Cups
Line 1

2 Cups
2-1/2 Cups
Line 2

3 Cups
3-1/2 Cups
Line 3

4 Cups 4-1/2
Cups
Line 4

To cook rice, fill center basin of base with water. Place the rice bowl on basin. Add rice and water as follows. For white rice add water in a 1:1 ratio to rice plus 1/2 cup. For brown rice add water in a 1:1 ratio to rice plus 3/4 cup. Examples: 1 cup white rice, 1-1/2 cup water; 2 cups brown rice, 2-3/4 cups water. Put lid on and plug in and in about 50 minutes you should have delicious rice.

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I have access to the Australian Owners Manual for this model if it would help.

It says:
Add water using the following ratios:
White Rice = 1cup water : 1cup rice
Brown Rice = 11⁄2 cups water : 1cup rice

1 cup rice and 2 3/4 cups water
makes about 4 cups rice.
SO:
2 cups rice and 5 1/2 cups water should do it.

There are many types of rice. Follow specific directions for variety used.
2. Accurately measure rice and water then combine in rice bowl.
Pour specified amount of water in water reservoir. Cover and steam.
3. For softer rice, increase by 1 – 2 tablespoons the water mixed with rice
by the specified amount of water on the chart. For firmer rice decrease
water mixed with rice by the same amount.
4. Check doneness and consistency of rice at minimum time specified
for each type, stirring rice at the same time.
5. When checking/stirring rice, be careful not to drip the condensate into the
rice bowl which would reduce the quality and flavor of the steamed rice.
6. Use only clean water in water reservoir
7. Rice may be seasoned with salt, pepper or butter after steaming.
Combined In Rice Bowl Approx. Time
Type of Rice Rice Amount Water (Minutes)
Brown
Regular 1/2 cup 1 cup 42 – 45
Parboiled 1 cup 1-1/2 cups 45 – 50
Long Grain and Wild Rice Mix
Regular (6 oz. pkg.) Mix 1-1/2 cups 50 – 55
Quick Cooking (6-1/2 oz. pkg.) Mix 1-3/4 cups 18 – 20
Instant 1 cup 1-1/2 cups 15 – 18
White
Regular 1 cup 1-1/2 cups 45 – 50
Long Grain 1 cup 1-2/3 cups 50 – 55

Here are the instructions that came with the cooker:

Cooking times may vary due to variations in microwave ovens. Adjust cooking times for best results in your oven.
To Cook Rice:
1. Remove basket.
2. Pour 1 cup of uncooked rice into the bottom of the basket, rinse rice thoroughly with cold water.
3. Transfer the rinsed rice from the basket to the bottom of the cooker.
4. Add 1 1/2 cups of water and 1 tsp salt (salt is optional).
5. Secure lid and lock clamps. Open vent holes.
6. Microwave on medium setting (50%) for 10 - 12 minutes (white rice) or 18-20 (brown rice).
7. Remove from microwave, close vent holes and let stand with the lid fastened for 4-5 minutes (the steam continues to cook the rice.)
8. Remove rice from the cooker and fluff with a fork.
Yields: 3 cups of cooked rice or 4 to 6 servings.
Cooking Potatoes and Vegetables:
1. Insert Basket.
2. Pour one cup of water plus 1/4 tsp. salt into the bottom of the cooker.
3. Peel vegetables (if desired), cut into evenly sized pieces and place inside basket.
4. Secure lid and lock clamps. Close vent holes.
5. Microwave on high for 3-4 minutes.
6. Remove from microwave and let stand with lid fastened for 3-4 minutes (the steam continues to cook the vegetables.)
Cooking Pasta:
1. Remove basket and lid (lid not used initially for preparing pasta inside the microwave).
2. Pour 2 cups (5 oz.) of uncooked noodles into the bottom of the cooker.
3. Add 2 1/2 cups water.
4. Microwave on high setting 10 minutes, stirring after 5 minutes.
5. Remove from microwave, stir noodles, secure lid and lock clamps. Close vent holes. Let stand for 3-4 minutes.

On this rice cooker to make a perfect pot without overboiling....Use 2 cups of rice and 4 cups of water, When it starts to boil life the lid ONCE and stir and then put the lid back on pressing down to make a seal, The water should not boil over if you follow these instructions, I just made a pot :).....Oh and use the same measuring cup for the rice and the water, Just remeber....One cup of rice = two cups of water!

if that rice when cooked is too soft or too hard.. then , you might want to add more water to it. the correct ratio for cooking rice is always 1 cup rice and 1 cup water. it also depends on what type of rice your cooking though, some type of rice become too mushy when too much water is added... so always have some minimal water to the uncooked rice.

From the users guide for the 550 FOR BROWN RICE RICE: 2 half cups WATER: To 2 mark, plus 3/4 cup TIME: 32 minutes MAKES: 2 cups RICE:4 cups WATER: To 4 mark, plus 3/4 cup TIME: 39 minutes MAKES: 8 cups Here are the rest: 6 cups To 6 mark, plus 3/4 cup 44 minutes 13-1/2 cups 8 cups To 8 mark, plus 3/4 cup 48 - 49 minutes 15 cups 10 cups To 10 mark, plus 3/4 cup 51 - 52 minutes 21 cups Here is a link to the user guide for all the instructions. http://www.blackanddeckerappliances.com/dyn/prod/user-guide/139/RC410%20RC550.pdf